#  @clickhousedb ClickHouse ClickHouse posts on YouTube about clickhouse, events, data, $3288t the most. They currently have [------] followers and [---] posts still getting attention that total [------] engagements in the last [--] hours. ### Engagements: [------] [#](/creator/youtube::UChtmrD-dsdpspr42P_PyRAw/interactions)  - [--] Week [------] -18% - [--] Month [-------] +31% - [--] Months [---------] +650% - [--] Year [---------] +658% ### Mentions: [--] [#](/creator/youtube::UChtmrD-dsdpspr42P_PyRAw/posts_active)  - [--] Week [--] -4% - [--] Month [---] -17% - [--] Months [---] +24% - [--] Year [---] +93% ### Followers: [------] [#](/creator/youtube::UChtmrD-dsdpspr42P_PyRAw/followers)  - [--] Week [------] +0.75% - [--] Month [------] +3.10% - [--] Months [------] +18% - [--] Year [------] +41% ### CreatorRank: [-------] [#](/creator/youtube::UChtmrD-dsdpspr42P_PyRAw/influencer_rank)  ### Social Influence **Social category influence** [travel destinations](/list/travel-destinations) [technology brands](/list/technology-brands) [finance](/list/finance) [countries](/list/countries) [stocks](/list/stocks) [social networks](/list/social-networks) [events](/list/events) [fashion brands](/list/fashion-brands) [automotive brands](/list/automotive-brands) [currencies](/list/currencies) **Social topic influence** [clickhouse](/topic/clickhouse) #2, [events](/topic/events), [data](/topic/data) #626, [$3288t](/topic/$3288t), [how to](/topic/how-to), [ai](/topic/ai), [amsterdam](/topic/amsterdam), [performance](/topic/performance), [realtime](/topic/realtime), [github](/topic/github) **Top accounts mentioned or mentioned by** [@clickhousecom](/creator/undefined) [@grafana](/creator/undefined) [@4gb](/creator/undefined) [@scale](/creator/undefined) [@tbragincraftingtherightproductledgrowthplgstrategyforyourstartup419be2e09376](/creator/undefined) **Top assets mentioned** [Alphabet Inc Class A (GOOGL)](/topic/$googl) [Cloudflare, Inc. (NET)](/topic/cloudflare) ### Top Social Posts Top posts by engagements in the last [--] hours "VLDB [----] - ClickHouse: Lightning Fast Analytics for Everyone From 50th International Conference on Very Large Databases in Guangzhou China - August 26-30 [----] https://vldb.org/2024/program-schedule Paper is published here https://www.vldb.org/pvldb/vol17/p3731-schulze.pdf In the video Alexey Milovidov creator of ClickHouse presents "ClickHouse - Lightning Fast Analytics for Everyone" academic paper he co-authored with Robert Schulze Tom Schreiber Ilya Yatsishin Ryadh Dahimene. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse vldb ClickHouse vldb" [YouTube Link](https://youtube.com/watch?v=7QXKBKDOkJE) 2024-08-30T02:10Z 13.4K followers, 10.7K engagements "Authenticating in ClickHouse with an SSH Key In this video we're looking at how to connect to Clickhouse using SSH keys a feature introduced in Clickhouse [----]. We'll walk through user setup SSH key generation and discuss the benefits of this method. We'll also touch on using config files for easier access. Release blog: https://clickhouse.com/blog/clickhouse-release-23-09 Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=Rhe-kUyrFUE) 2023-11-03T17:00Z 13.4K followers, 10.1K engagements "An intro to column-based storage In this video we explore column storage the backbone of column stores or column databases like ClickHouse. We compare the concept to the more familiar row-based storage used in many relational databases using a practical example of weather data to illustrate the differences. Column storage isn't just a different way to organize data; it's a game-changer for analytical queries and data compression. We'll explore why this approach is particularly well-suited for modern data analysis needs and how it aligns with current CPU architectures. Key points covered: 🔸" [YouTube Link](https://youtube.com/watch?v=a7rmLeGK1v8) 2025-08-29T14:33Z 13.4K followers, [----] engagements "How to Get Started with ClickHouse Download ClickHouse run the server connect to it using the client create a table based on a file in S3 ingest that data into your table and write some queries. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Quick Start Documentation: https://clickhouse.com/docs/en/getting-started/quick-start ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification Don't forget to give us a on Github" [YouTube Link](https://youtube.com/watch?v=6mmQUOmA-T0) 2023-09-05T17:44Z 13.4K followers, 37.7K engagements "Lovable: The Fastest Growing Software Company in History & How ClickHouse Powers It Lovable scaled from $100M to $200M ARR in just [--] monthsthe fastest growth trajectory in software history. At Open House Amsterdam Thomas Nordstrom revealed how ClickHouse makes this possible. What You'll Learn: 🔍 Observability at Scale Using OpenTelemetry Lovable captures logs and traces from Cloudflare workers Kubernetes and more loading everything into ClickHouse. ClickHouse delivers right throughput and lightning-fast queries across billions of events. 🤖 AI Debugging Edge cases are notoriously difficult" [YouTube Link](https://youtube.com/watch?v=Lt_59UqebsQ) 2026-02-12T15:11Z 13.4K followers, [----] engagements "Parsing dates and datetimes in ClickHouse Parsing dates and datetimes is one of those things you'll do constantly in ClickHouse and there are actually quite a few different approaches depending on your data format. In this tutorial we walk through five practical methods for handling everything from Unix timestamps to messy string formats that you might get from APIs or legacy systems. 🔸 Converting Unix timestamps (seconds milliseconds and microseconds) 🔸 Parsing numeric date formats from legacy databases and mainframes 🔸 Handling datetime strings with known formats using MySQL and JODA" [YouTube Link](https://youtube.com/watch?v=hVEAzVz_xIY) 2026-02-12T15:10Z 13.4K followers, [---] engagements "How Netflix ingests [--] Million events per second with ClickHouse Netflix processes a staggering five petabytes of observability data dailythat's [----] million events per second flowing into ClickHouse. At a ClickHouse meetup in March [----] Netflix's Daniel Muino shared three hard-won lessons from building and scaling their observability platform. These aren't theoretical best practices; they're real solutions to real problems encountered at massive scale. 🔸 **Going low-level when you need to** - Netflix ditched JDBC batch inserts for custom native protocol encoding because sometimes the" [YouTube Link](https://youtube.com/watch?v=CNdA0r6zbe4) 2025-11-27T10:09Z 13.4K followers, 97.4K engagements "What Is ClickHouse "ClickHouse is an open-source column-oriented DBMS for online analytical processing that allows users to generate analytical reports using SQL queries in real-time. " Amazing but what does that mean In this video we answer as many of your questions as we can (in [--] mins) and share some examples of using ClickHouse directly. If you want to read more about the use cases for ClickHouse you can find more detail at - https://clickhouse.com/use-cases For convenience we have captured many of our user stories at - https://clickhouse.com/blogcategory=customer-stories And if you want" [YouTube Link](https://youtube.com/watch?v=FtoWGT7kS-c) 2023-07-05T14:07Z 13.4K followers, 55.3K engagements "ClickHouse [----] user stories This year over [--] organizations shared how they run ClickHouse in production from fast-growing startups to global enterprises with massive workloads. Those stories represent just a slice of the thousands of organizations building with ClickHouse today. Thank you for trusting ClickHouse with your toughest data challenges. :yellow_heart: Explore the stories https://clickhouse.com/user-stories ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=GDnn9iJRc1k) 2025-12-19T19:13Z 13.4K followers, 454.5K engagements "How Primary Keys Work in ClickHouse Primary keys in ClickHouse are not what you're used to in other DBMSs. Picking a good primary key for your MergeTree tables is critical in optimizing query performance so it's important to understand how they work. We include an explanation of the primary index and granules. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification ClickHouse tutorial" [YouTube Link](https://youtube.com/watch?v=dnWqYjrlV1g) 2023-09-05T17:53Z 13.4K followers, 17.1K engagements "Building Real-time Applications with ClickHouse Materialized Views Dale McDiarmid from ClickHouse explored the concept of building real-time applications using materialized views. Emphasizing ClickHouse's strength in handling fast queries across billions of rows he explained how materialized views can be used to summarize data significantly enhancing query performance. #realtimeanalytics #clickhouse Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=j_kKKX1bguw) 2023-09-27T11:25Z 13.4K followers, 21.6K engagements "How Anthropic Uses ClickHouse for Observability at Scale Discover how Anthropic the company behind the Claude AI models solved its massive observability challenges using ClickHouse 🚀 When Claude [--] and Claude [---] launched explosive user adoption completely overwhelmed Anthropic's observability systems. Their database was struggling queries were timing out and costs were skyrocketing. They needed a solution that could handle huge data volumes in real-time while enabling fast interactive analytics. In this video we dive into Maruth Goyal's fascinating talk from the ClickHouse Open House" [YouTube Link](https://youtube.com/watch?v=m3z1qnuNThg) 2025-10-14T10:15Z 13.4K followers, 244.2K engagements "Intro to JupySQL with chDB This video will teach us how to use JupySQL with chDB an embedded in-process version of ClickHouse. 🟡 Documentation - https://clickhouse.com/docs/en/chdb/guides/jupysql 🟡 chDB - https://clickhouse.com/docs/en/chdb 🟡 JupySQL - https://jupysql.ploomber.io/en/latest/integrations/chdb.html" [YouTube Link](https://youtube.com/watch?v=2wjl3OijCto) 2024-08-23T10:23Z 13.2K followers, [----] engagements "Clickhouse Denver Meetups Streamfold Presented by Mike Heffner @ Streamfold Come join us at one of our amazing meetup groups this presentation is from our Denver meetup on september 22nd: https://www.meetup.com/clickhouse-denver-user-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=ODjPgbet-oI) 2025-11-25T15:00Z 13.2K followers, [---] engagements "ClickHouse Melbourne Meetup: Buildkite This talk was presented in Melbourne by Buildkite's Staff Engineer Gordon Chan. Meetup Page: https://www.meetup.com/clickhouse-melbourne-user-group/events/310761395/ Title: Buildkite's ClickHouse journey: [--] months later Abstract: Six months after their initial exploration Buildkite's Test Engine product evolved into a more powerful test analytics platform by leveraging ClickHouse. Gordan showcased the next chapter of their journey: unlocking new analytical capabilities for their customers and achieving significant cost savings. Real-world insights from" [YouTube Link](https://youtube.com/watch?v=tAw0wGdHu48) 2025-10-28T02:58Z 13.2K followers, [---] engagements "ClickHouse: AI chat bot built by Memorial Sloan Kettering Presented by Ino de Bruijn - Ino-of-all-trades @ cBioPortal at the ClickHouse New York Meetup. This presentation is from our New York meetup on December 8th. Come join us at one of our upcoming meetups: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=-KdOD-YihOQ) 2026-01-09T05:10Z 13.4K followers, [---] engagements "LogHouse - Observability for ClickHouse Cloud (ClickHouse Cloud Live Update - April 2025)" [YouTube Link](https://youtube.com/watch?v=-piPcapMtc0) 2025-04-18T03:59Z 13.3K followers, [----] engagements "ClickHouse v23.2 Release Webinar ClickHouse [----] is here NTILE Window Function support Partition Key for GROUP By io_uring Apache Iceberg support Dynamic Disks integrations updates This is not a release call you want to miss. ## Contents 0:00:00 Welcome & Introductions 0:05:50 ClickHouse Release v23.2 0:06:43 NTILE Window Function 0:09:44 corrMatrix 0:15:19 generateULID 0:17:28 arrayShuffle and arrayPartialSort 0:19:24 Out-of-band FINAL Setting 0:21:10 Metrics in system.part_log 0:23:12 Partition Key for GROUP BY 0:29:17 Multi-Stage PREWHERE 0:32:28 io_uring 0:38:37 Apache Iceberg support &" [YouTube Link](https://youtube.com/watch?v=2o0vRMMIrkY) 2023-02-23T18:21Z 13.3K followers, [----] engagements "ClickHouse Seattle Meetups: ThriveStack Come learn how ClickHouse is used under the hood at Thrivestack.ai from Gururaj Pandurangi founder at ThriveStack. Come join us at one of our amazing meetup groups this presentation is from our Seattle meetup on May 20th: https://www.meetup.com/clickhouse-seattle-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=2y9nhEV1K4o) 2025-06-06T03:59Z 13.3K followers, [---] engagements "ClickHouse Mumbai Meetup - Auditzy This talk was presented at the ClickHouse Mumbai meetup on July [--] by Mayank Joshi Co-Founder & CTO of Auditzy. More information can be found at https://www.meetup.com/clickhouse-mumbai-user-group/events/308558476/ From Slow Queries to Sub-Second Insights: Auditzys ClickHouse Migration Journey At Auditzy we recently migrated our real user monitoring analytics engine from PostgreSQL to ClickHouse to keep up with growing data and performance demands. In this talk Ill share what pushed us to explore ClickHouse how we approached the migration and the impact it" [YouTube Link](https://youtube.com/watch?v=7jG8C8lXkpM) 2025-09-19T12:15Z 13.3K followers, [---] engagements "ClickHouse Internal Data Warehouse Mihir Gorkale Product Manager at ClickHouse shares how ClickHouse is running our internal data warehouse on ClickHouse and tools we use for dashboarding and Agentic BI. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database data warehousing agentic BI ClickHouse open source database data warehousing agentic BI" [YouTube Link](https://youtube.com/watch?v=950P-QEd-rc) 2025-06-11T15:19Z 13.3K followers, [---] engagements "An intro to ClickHouse for Postgres Developers This video introduces ClickHouse for Postgres developers and compares key differences between these powerful database systems. Learn how these technologies complement each other through their contrasting strengthsPostgres excels at transactional workloads with row-based storage while ClickHouse specializes in analytical workloads with column-based storage. Discover the fundamental differences in: 🔸Data storage and access patterns 🔸Update/delete operations 🔸Indexing and primary keys 🔸Table configuration and engines The video also demonstrates" [YouTube Link](https://youtube.com/watch?v=9ipwqfuBEbc) 2025-05-19T14:50Z 13.3K followers, [----] engagements "How ClickHouse powers Langfuse V3 Presented by Clemens Rawert Cofounder @ Langfuse at our Los Gatos Meetup at the Netflix Theater. See how Langfuse is using ClickHouse in their V3 Deck is here: https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-losgatos/Clickhouse%20Meetup_%20Langfuse%20.pptx Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 12th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #ai Don't forget to give us a on Github" [YouTube Link](https://youtube.com/watch?v=AnghkoucpN0) 2025-03-26T01:06Z 13.3K followers, [---] engagements "Building the future of reporting at Rokt - Vadim Semenov (Rokt) This talk was given at the ClickHouse Community Meetup in Manhattan on December [--] [----] - https://www.meetup.com/clickhouse-new-york-user-group/events/289403909/ The presentation materials are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup67" [YouTube Link](https://youtube.com/watch?v=BEP07Edor-0) 2023-01-18T13:11Z 13.3K followers, [---] engagements "Vector Search in ClickHouse (Linear Scan) In this video we'll learn how to perform vector search in ClickHouse using linear scan. We'll be using a Hugging Face dataset that contains [--] million Wikipedia entries embedded into [----] dimension vectors. After ingesting the dataset we'll learn how to find similar items using the cosine similarity function and then we'll use the tokens and arrayShingles functions to find the most popular phrases that are close to a provided embedding. Dataset - https://huggingface.co/datasets/Qdrant/dbpedia-entities-openai3-text-embedding-3-large-1536-1M Video for" [YouTube Link](https://youtube.com/watch?v=BFtWe2xG5cU) 2024-02-23T13:35Z 13.3K followers, [----] engagements "The ClickHouse Backup database engine Learn about ClickHouse's Backup Database Engine introduced in version [----]. This tutorial demonstrates how to use this powerful feature which allows you to instantly attach tables or databases from backups in read-only mode and supports both incremental and non-incremental backups. The video covers: 🔸 Setting up backup configuration in ClickHouse 🔸 Creating and managing database backups 🔸 Attaching backed-up databases using the backup engine 🔸 Comparing data between different backup versions 🔸 Working with incremental backups Using a practical" [YouTube Link](https://youtube.com/watch?v=CbmsS7u4V7Y) 2025-03-21T14:22Z 13.3K followers, [----] engagements "How Common Table Expressions (CTEs) Work in ClickHouse Learn how to use common table expressions (CTEs) in ClickHouse including how to use a query result as a CTE. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=DZ5nPZpqVng) 2023-09-05T17:58Z 13.3K followers, [----] engagements "ClickHouse JSON Type for Observability: Faster Queries on Semi-Structured Data Presented by Mike Shi ClickStack Product Manager @ ClickHouse and Founder of HyperDX at our Los Gatos Meetup at the Netflix Theater. See what the future of ClickHouse holds for observability workloads. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on July 10th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #observability #logs #events #traces Don't forget to give us a on Github" [YouTube Link](https://youtube.com/watch?v=ETP4cMYepDI) 2025-07-29T11:54Z 13.3K followers, [----] engagements "Projections as secondary indices Looking to speed up your ClickHouse queries without doubling your storage costs In this tutorial we dive into lightweight projections a feature introduced in ClickHouse [----] that gives you the performance benefits of secondary indices without the hefty storage overhead. Instead of duplicating entire tables as traditional projections do lightweight projections only store the sort key columns plus an offset column that points back to the original data. We'll walk through a practical comparison using [--] million rows of UK property sales data testing three" [YouTube Link](https://youtube.com/watch?v=Fe6DqnWBs1I) 2026-01-15T11:20Z 13.4K followers, [---] engagements "Chasing Billions: Real-Time Blockchain Forensics with Merkle Science + ClickHouse At Merkle Science ClickHouse is at the core of how we make sense of billions of blockchain transactions in real time. From tracking wallets and following funds to spotting anomalies across chains it gives investigators sub-second answers at scale. Learn from Akshay Gupta Lead Data Engineer and Priyanshu Sehgal Sr. Data Engineer at Merkle Science on how they deployed ClickHouse Cloud to seamlessly power both always-on monitoring and deep-dive forensics while also keeping our systems and pipelines running" [YouTube Link](https://youtube.com/watch?v=FgRHSc9Xmls) 2025-11-06T07:34Z 13.3K followers, [---] engagements "Polygon Dictionaries in ClickHouse In this video we'll learn about polygon dictionaries in ClickHouse which we can use for efficient geospatial querying. We demonstrate this feature with help from a GeoJSON dataset of polygons for every country in the world. Having loaded that data we then show how to work out which country a lat/long point belongs to using a brute force approach before speeding things up with a polygon dictionary. #clickhouse #gis Country Polygons as GeoJSON - https://datahub.io/core/geo-countries Dictionaries - https://clickhouse.com/docs/en/sql-reference/dictionaries" [YouTube Link](https://youtube.com/watch?v=FyRsriQp46E) 2024-02-08T14:49Z 13.3K followers, [----] engagements "A table engine for partial updates. The ClickHouse Merge Tree family just got a new member and it's pretty exciting In this video we dive into the Coalescing Merge Tree engine a fresh addition designed to handle partial row updates efficiently. If you've ever wanted to keep only the most up-to-date and complete version of each entity in your data without the overhead of full row overwrites this engine might be what you're looking for. We'll walk you through: 🔸 How the Coalescing Merge Tree engine works and when to use it 🔸 A practical example using electric car telemetry data 🔸 Creating" [YouTube Link](https://youtube.com/watch?v=HJPTR7G6Al4) 2025-08-11T08:52Z 13.3K followers, [----] engagements "ClickHouse for Big Query developers This video provides some tips for Big Query developers when using ClickHouse. BigQuery vs ClickHouse Cloud: Equivalent and different concepts - https://clickhouse.com/docs/en/migrations/bigquery" [YouTube Link](https://youtube.com/watch?v=HNktrJFRBPE) 2024-10-03T13:06Z 13.3K followers, [---] engagements "Introducing ClickStack: The Future of Observability on ClickHouse" [YouTube Link](https://youtube.com/watch?v=IUu-0dWv0sI) 2025-07-08T16:14Z 13.3K followers, [----] engagements "Working with Arrays in ClickHouse In this video we'll learn all about working with arrays in ClickHouse. Starting with an overview of the array functions documentation we dive into practical examples using a weather measurements dataset. Key topics include querying grouping and manipulating arrays to extract valuable insights like maximum and minimum temperatures weather conditions and more. The functions covered in this video include array_slice array_max array_min array_filter array_join array_flatten array_compact and array_distinct. #ClickHouse #DataAnalysis Arrays documentation -" [YouTube Link](https://youtube.com/watch?v=JKHAdCFtYDg) 2023-12-20T17:14Z 13.3K followers, [----] engagements "Transforming log data with ClickHouse materialized views In this video we'll learn how to transform log entries using ClickHouse materialized views. We start with a bunch of log files in S3 and then show how to pull out the individual components using a regular expression and store them in a MergeTree table. We conclude by seeing that our solution can also handle any new files added to the S3 bucket. #DataTransformation #ClickHouse #MaterializedViews #LogAnalysis #S3Bucket #DataEngineering #SQL #bigdata Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=JLk-pcWZSGc) 2024-01-05T14:06Z 13.3K followers, [----] engagements "Kafka & ClickHouse - Peter Marton (Openmeter) This presentation was given at the ClickHouse Community Meetup in San Francisco - https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/296334923/ If you are interested in attending a future event please join a Meetup Group near you at https://www.meetup.com/pro/clickhouse To get started with ClickHouse visit https://clickhouse.com/ to download or start a free ClickHouse Cloud Trial" [YouTube Link](https://youtube.com/watch?v=JUduSNBajkg) 2023-11-30T14:11Z 13.3K followers, [----] engagements "ClickHouse Jakarta Meetup - Verihubs This talk was delivered live at the ClickHouse Jakarta meetup on December [--] at GoWork Plaza Indonesia by Ray Antonius Software Engineering Lead at Verihubs. The full agenda can be found at https://www.meetup.com/clickhouse-indonesia-user-group/events/311988089/ Supercharging Verihubs Data Warehousing with ClickHouse As a startup Verihubs always looked into new ways of improving their systems: both in terms of performance and cost. Ray Antonius Software Engineer Lead shared their data warehousing journey that started with PostgreSQL - slow clunky and" [YouTube Link](https://youtube.com/watch?v=Kl5mZASUzcQ) 2026-01-09T15:31Z 13.4K followers, [--] engagements "ClickHouse v25.9 Release Webinar" [YouTube Link](https://youtube.com/watch?v=LCHEPNXo8kQ) 2025-09-25T15:34Z 13.3K followers, [----] engagements "ClickHouse Performance Tuning for Petabyte Logs: 2x Faster High-Cardinality Queries Presented by Daniel Muino Software Engineer @ Netflix at our Los Gatos Meetup at the Netflix Theater. See how Netflix stores Petabytes a day of operational logs with reasonable cost and lightning fast query speed using ClickHouse. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on July 10th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #observability #logs Don't forget to give us a on Github" [YouTube Link](https://youtube.com/watch?v=LgGNxPl6c9k) 2025-07-29T11:41Z 13.3K followers, [----] engagements "ClickHouse Jakarta Meetup - Electrum This talk was delivered live at the ClickHouse Jakarta meetup on December [--] at GoWork Plaza Indonesia by Andi Pangeran Head of Software Engineering at Electrum. The full agenda can be found at https://www.meetup.com/clickhouse-indonesia-user-group/events/311988089/ ClickHouse Meets Iceberg: A Practical Look Beyond the Hype Iceberg promises a low-cost open table format with schema evolution and object storage as the data warehouse. But Iceberg adds operational complexity that not every workload needs. In this talk Andi Pangeran Head of Software Engineering" [YouTube Link](https://youtube.com/watch?v=MxE4goqNdy4) 2026-01-09T15:39Z 13.4K followers, [---] engagements "ClickHouse SF Meetups Keywords AI Presented by Raymond Huang - Co-Founder & CTO @ Keywords AI Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=NH0qVNKakoQ) 2025-12-17T05:49Z 13.4K followers, [--] engagements "ClickHouse NYC Meetups: Braze Presented by Caleb Severn Engineering Manager @ Braze. See how they compare snowflake and mongodb to ClickHouse. They use ClickHouse to manage their customer facing analytics. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on March 26th: https://www.meetup.com/clickhouse-new-york-user-group #programming #clickhouse #database #analytics Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=NmEyElaa_xI) 2025-04-15T14:53Z 13.3K followers, [---] engagements "ClickHouse v25.7 Release Webinar Join us for an in-depth look at ClickHouse v25.7 This comprehensive webinar covers all the major new features performance improvements and exciting additions to the ClickHouse ecosystem. 🚀 What's New in v25.7 🔸Major Features: Lightweight Updates - Full UPDATE statement support with 23x faster performance than traditional mutations Iceberg Integration - Now supports INSERT operations into Apache Iceberg tables ClickHouse Client Agent - AI-powered SQL generation using natural language (OpenAI Anthropic Gemini support) [---] Data Formats - New system.formats" [YouTube Link](https://youtube.com/watch?v=P1TsTzktl0Q) 2025-07-24T16:56Z 13.3K followers, [----] engagements "Getting Started with ClickHouse Cloud What is ClickHouse and how-to get started in ClickHouse Cloud. https://clickhouse.com/cloud Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=PnA4bQSKDUY) 2022-10-04T12:25Z 13.3K followers, [----] engagements "Materialized Views and Projections Under the Hood This video looks under the hood of Materialized Views and Projections in ClickHouse and explains how automatic incremental data transformation works in ClickHouse. For more like this go take our free training in ClickHouse Academy: https://learn.clickhouse.com/visitor_class_catalog. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=QDAJTKZT8y4) 2023-01-31T16:05Z 13.3K followers, 30.2K engagements "The True Cost of Speed: What Query Performance Really Costs at Scale Comparing cloud data warehouse costs is harder than it looks. Different platforms meter scale and bill compute in fundamentally different ways which makes price lists misleading. Instead of arguing about list prices or pricing tiers this webinar shows that efficiency is the real currency. Tom Schreiber and Lio Palacin break down how Snowflake Databricks ClickHouse Cloud BigQuery and Redshift charge for compute then share benchmark results at 1B 10B and 100B rows using our reproducible Bench2Cost method to translate runtimes" [YouTube Link](https://youtube.com/watch?v=QHCqi_tva8Q) 2026-02-03T23:04Z 13.4K followers, [---] engagements "ClickHouse Pune Meetup - ClickHouse & Kafka This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Rakesh Puttaswamy ClickHouse Principal Solution Architect & Siddesh Vyavahare Confluent Solutions Engineer. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ Maximising Analytics with ClickHouse and Kafka Integration This session will explore how to build a scalable real-time analytics solution by integrating ClickHouse a high-performance columnar database with Kafka a distributed streaming platform." [YouTube Link](https://youtube.com/watch?v=QvKI2FpMJng) 2025-12-11T13:30Z 13.4K followers, [--] engagements "Visualizing ClickHouse Data with Superset Visualizing data can often have the biggest impact when it comes to understanding large datasets. Continuing our series of videos about visualizing data in ClickHouse. Second up Superset. This associated blog post for this video can be found at https://clickhouse.com/blog/visualizing-data-with-superset. Here's some useful links: A ClickHouse Cluster with the datasets used you to explore - https://play.clickhouse.com/playuser=explorer Download Superset - https://superset.apache.org/ ClickHouse Cloud Free Trial -" [YouTube Link](https://youtube.com/watch?v=T_BGWzy1SYA) 2023-02-10T14:48Z 13.3K followers, [----] engagements "Announcing the official GA release of the ClickHouse plugin for Metabase The ClickHouse plugin for Metabase is now GA and available in Metabase Cloud. Dale and Ryadh discuss the value of this integration and provide a short demo in preparation for the webinar on the 7th March. Note: In the video we mention the webinar as being on the 8th March. It has now been moved forward to the 7th. Register here: https://clickhouse.com/company/events/2023-03-07-metabase-clickhouse-webinarutm_source=youtube&utm_medium=social&utm_campaign=webinar" [YouTube Link](https://youtube.com/watch?v=UK2fIHiEWOg) 2023-02-15T16:26Z 13.3K followers, [----] engagements "ClickStack: Unifying Logs Metrics & Traces on ClickHouse for Petabyte-Scale Observability This webinar was presented live on September [--] by Mike Shi Co-Founder of HyperDX and PM for Observability at ClickHouse where he introduced ClickStack an open-source observability platform built on ClickHouse HyperDX and OpenTelemetry. The webinar covered: - Why traditional observability is broken - How ClickHouse's architecture solves the cost-performance-search trilemma in observability - Live demo: Incident investigation with ClickStack - Q&A with Mike Shi ClickStack is a high-performance open-source" [YouTube Link](https://youtube.com/watch?v=UfOZoYH-_1E) 2025-09-24T04:14Z 13.3K followers, [---] engagements "ClickHouse SF Meetup Pump.co Presented by Joel Walker Founding Software Engineer at pump.co. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on August 26th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=Ux4PIjdh_qs) 2025-09-09T14:52Z 13.3K followers, [---] engagements "Quadrillion-scale observability at Tesla In this fascinating video we dive into Tesla's groundbreaking approach to observability using ClickHouse. Learn how the electric vehicle giant tackled the challenge of monitoring millions of sensors across factories employees and connected vehicles worldwide. We'll explore the impressive stress test that pushed ClickHouse to ingest one quadrillion rows and why Tesla chose this powerful database for their critical operations. Key points covered: 🔸 Tesla's five key requirements for their observability system 🔸 Why Prometheus couldn't meet their needs" [YouTube Link](https://youtube.com/watch?v=UxDJsLLkZhc) 2025-10-07T16:34Z 13.3K followers, 174.6K engagements "Lakehouse with ClickHouse (Open House) Melvyn Peignon Principal Product Manager at ClickHouse discusses how ClickHouse is evolving to be the query engine of choice on top of data lakes. Session recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse" [YouTube Link](https://youtube.com/watch?v=V6C6zyR4rq0) 2025-06-11T15:18Z 13.3K followers, [---] engagements "Visualizing ClickHouse Data with Grafana Visualizing data can often have the biggest impact when it comes to understanding large datasets. Here is the first in a series of videos about visualizing data in ClickHouse. First up @Grafana This associated blog post for this video can be found at https://clickhouse.com/blog/visualizing-data-with-grafana. Contents: - Introduction to ClickHouse and Grafana - Connecting Grafana to ClickHouse 1:27 - A simple line chart 2:38 - A multi-line chart 4:06 - A candlestick chart 5:06 - A geo map chart 6:19 - Visualizing JSON logs in Explore 7:33 The main blog" [YouTube Link](https://youtube.com/watch?v=Ve-VPDxHgZU) 2022-11-02T21:09Z 13.3K followers, 12.7K engagements "Clickhouse SF Meetups Alexey Presented by Alexey Milovidov - Founder @ ClickHouse Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=W0CAJ1N6HQA) 2025-12-17T05:49Z 13.4K followers, [---] engagements "ClickHouse Meetup SF 1X Presented by Vlad Lialin Research Engineer at 1X. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on August 26th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=WP9_kTBu0Dw) 2025-09-09T14:50Z 13.3K followers, [---] engagements "ClickHouse Pune Meetup - Manthhan Softwares This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Amit Sanjay Sadafule Co-founder and Head of Technology at Manthhan Softwares. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ Sparse data storage and query patterns in ClickHouse Finding storage schema for sparse data that works "well" is tricky. This talk is about exploring the "right" schema to store sparse data in ClickHouse. Speaker will share challenges with sparse data and how ClickHouse helped to" [YouTube Link](https://youtube.com/watch?v=XyWeAr14fyg) 2025-12-11T13:34Z 13.4K followers, [--] engagements "ClickHouse Pune Meetup - NetScout This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Ajit Bhat Engineering Manager & Afzal Khan Principal Software Engineer at Netscout. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ ClickHouse for network and applications analytics data for Cyber Security The modern IP network and applications hosted by the modern enterprises create large amounts of the network data. The IP packets-based data is the ultimate truth that we believe in. The size of the enterprise/s" [YouTube Link](https://youtube.com/watch?v=Y0JM9GRfa78) 2025-12-11T13:43Z 13.4K followers, [--] engagements "ClickHouse Query Tuning for Observability: Balancing Index Granularity and Cost SolarWinds is a leading provider of simple powerful secure observability and IT management software. Clickhouse powers real-time insights and longer-term analytics on observability data throughout our SaaS products. Come join us at one of our amazing meetup groups this presentation is from our austin meetup https://www.meetup.com/clickhouse-austin-user-group #programming #clickhouse #observability #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse A custom observability platform" [YouTube Link](https://youtube.com/watch?v=YB12NLAQG5U) 2024-12-10T19:23Z 13.3K followers, [---] engagements "The ClickHouse JSON data type This tutorial demonstrates how to use the production-ready JSON data type introduced in ClickHouse [----]. Using the Blue Sky dataset with [---] million records we show you how to: Create tables that handle JSON data effectively Query nested JSON structures with proper syntax Use the caret () symbol to access subcolumns Apply type hints to improve query performance Save storage space with the skip_regex option We compare performance across different table configurations showing how properly configured JSON tables can significantly reduce query times in some cases" [YouTube Link](https://youtube.com/watch?v=Z76TUHMu-vY) 2025-04-29T12:35Z 13.3K followers, [----] engagements "ClickHouse [----] adds GeoParquet support This video explores an exciting new feature introduced in ClickHouse 25.7: the ability to read and write geotypes when working with Parquet files. We'll explore how this functionality works demonstrate its practical applications and even examine a real-world dataset from Overture maps. Throughout the tutorial we'll cover: 🔸 Writing various geotypes to a Parquet file and examining the results 🔸 Understanding the limitations of Geo type support in Parquet particularly with ring types 🔸 Using the 'parq' tool to inspect Parquet file metadata 🔸 Working" [YouTube Link](https://youtube.com/watch?v=ZPZTrYg4Meo) 2025-09-16T10:03Z 13.3K followers, [---] engagements "ClickHouse Sydney Meetup: ClickHouse & Confluent This talk was presented at the ClickHouse + Confluent meetup in Sydney on June [--] You can find more information at https://www.meetup.com/clickhouse-australia-user-group/events/308248552/ Maximising Analytics with ClickHouse and Kafka Integration Johnny Mirza from ClickHouse and Ravi Bhardwaj from Confluent talked about building a scalable real-time analytics solution by integrating ClickHouse a high-performance columnar database with Kafka a distributed streaming platform. ClickHouse excels at fast ingestion and analytical querying of" [YouTube Link](https://youtube.com/watch?v=_uy2DesS_jo) 2025-08-26T02:39Z 13.3K followers, [---] engagements "Merge-time computation Why is ClickHouse fast (Part 3) This video explores how ClickHouse optimizes performance by moving data transformations to background merge operations keeping read and write paths efficient. Key points covered: Different MergeTree Engine Types (Standard Replacing Aggregating) Time-To-Live (TTL) Processing Background Merge Operations High Write Throughput Benefits The video demonstrates how ClickHouse performs better by handling complex data transformations during background merges rather than during reads or writes. Docs -" [YouTube Link](https://youtube.com/watch?v=_w3zQg695c0) 2025-02-24T10:52Z 13.3K followers, [----] engagements "One function to query tables with different schemas in parallel This video demonstrates using ClickHouse's merge table function to query multiple tables with different schemas simultaneously. You'll see how ClickHouse automatically handles data type unification and performs parallelized reading across tables making it easy to work with evolving data. Using a real tennis dataset spanning multiple decades the tutorial shows how the merge function intelligently combines tables where column types have changed over time. You'll learn how ClickHouse promotes data types to their most compatible" [YouTube Link](https://youtube.com/watch?v=b4YfRhD9SSI) 2025-06-20T13:48Z 13.3K followers, [----] engagements "ClickHouse Mumbai Meetup - Nutanix This talk was presented at the ClickHouse Mumbai meetup on July [--] by Pranav Mehta Member of Technical Staff-4 and Shiv Jha Staff Engineer at Nutanix More information can be found at https://www.meetup.com/clickhouse-mumbai-user-group/events/308558476/ ClickHouse Rebalancing in OSS: Lets Talk About the Gaps ClickHouse offers powerful performance at scale but if you're running it in an open-source self-managed environment one thing becomes clear once you hit a certain scale: theres no easy way to rebalance shards.In this talk well share our experience" [YouTube Link](https://youtube.com/watch?v=b9bVvgjgXv8) 2025-09-19T12:19Z 13.3K followers, [---] engagements "Clickhouse Chicago Meetups NOCD Presented by Anil Vaitla Co-Founder & CTO @ NOCD Come join us at one of our amazing meetup groups this presentation is from our Chicago meetup on October 9th: https://www.meetup.com/clickhouse-chicago-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=ctbG_rgLvfQ) 2025-11-24T17:06Z 13.3K followers, [---] engagements "RunReveal with ClickHouse: Just-in-time Row-based Access Control with ClickHouse Roles Presented by Alan Braithwaite Cofounder @ RunReveal at our Los Gatos Meetup at the Netflix Theater. See this talk going in depth how security teams use RunReveal who in turn leverages ClickHouse. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on July 10th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #security Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=dMN0SYWlGUU) 2025-07-29T11:52Z 13.3K followers, [---] engagements "ClickHouse Tokyo Observability Happy Hour - ClickHouse ClickHouse [---] Tokyo Observability Happy Hour : https://clickhouse.com/company/events/2025-06-APJ-Tokyo-ObservabilityHappyHour ClickHouse ClickHouse ClickHouse HyperDX ClickHouse [----] ******** This talk was presented by ClickHouse Senior Support Engineer Miki Matsumoto at the Tokyo Observability Happy Hour on June [--]. The event page is here: https://clickhouse.com/company/events/2025-06-APJ-Tokyo-ObservabilityHappyHour Why ClickHouse for Observability Modern observability platforms needed to ingest store and query massive volumes of" [YouTube Link](https://youtube.com/watch?v=dVH0n6lyklQ) 2025-09-20T04:43Z 13.3K followers, [---] engagements "LibreChat and the ClickHouse MCP server Learn how to integrate LibreChat a popular open-source library for building ChatGPT clones with the ClickHouse MCP server. This tutorial walks you through the complete setup process using Docker from cloning the repositories to making your first query. 🔸 Step-by-step guide to clone and configure LibreChat with ClickHouse 🔸 Docker setup instructions for easy deployment 🔸 Configuration of API keys and environment files 🔸 Demonstration of querying interesting datasets (NYC Taxis GitHub events YouTube etc.) 🔸Analysis example: discovering tip patterns" [YouTube Link](https://youtube.com/watch?v=fuyu-AnfRDA) 2025-08-13T11:43Z 13.3K followers, [----] engagements "How we made the JSON type performant in Clickhouse ClickHouse Performance Engineering Lead Robert Schulze dives into the internals of how the JSON data type was built to deliver high-speed analytical performance without sacrificing flexibility. In this session you'll learn why standard approaches to handling semi-structured data fall short how ClickHouse overcame these challenges and what it means for querying JSON at scale. If you care about real-time analytics and efficient data access this one's for you. 🔸Blog post - https://clickhouse.com/blog/a-new-powerful-json-data-type-for-clickhouse" [YouTube Link](https://youtube.com/watch?v=gcAxIkGuNcY) 2025-07-11T17:29Z 13.3K followers, [----] engagements "ClickHouse for AI - Vectors Embedding Semantic Search and more - Alexey Milovidov ClickHouse Did you know that ClickHouse can be used as a #vectordatabase ClickHouse isn't memory-bound allowing multi-TB datasets containing embeddings to be queried Over the past year Large Language Models (LLMs) along with products like ChatGPT have captured the world's imagination and have been driving a new wave of functionality built on top of them. The concept of vectors and vector search is core to powering features like recommendations question answering image / video search and much more. As a result" [YouTube Link](https://youtube.com/watch?v=hGRNcftpqAk) 2023-06-01T21:12Z 13.3K followers, [----] engagements "ClickHouse for Observability: Ingesting 200x More Logs with 0% Cost Increase Clever connects over [-----] schools and 60% of US students to educational technology through their single sign-on (SSO) platform. This generates [---] TB of logs every month Learn how Clever leverages ClickHouse to power their observability platform at massive scale enabling them to quickly identify and resolve issues with impressive query speeds. Clever built a custom observability platform on ClickHouse Cloud to analyze 150TB of uncompressed logs per month increasing indexed log volume by 200x while achieving a 0%" [YouTube Link](https://youtube.com/watch?v=hQqxHtCwJKc) 2025-05-06T19:47Z 13.3K followers, [----] engagements "ClickHouse Mumbai Meetup - Observability with ClickStack This talk was delivered live at the ClickHouse Mumbai meetup on November [--] at Awfis Parinee Crescenzo in Mumbai India. Event page: https://www.meetup.com/clickhouse-mumbai-user-group/events/311852373/ Inside ClickStack: Engineering Observability for Scale Dive deep into ClickStack ClickHouses fresh approach to observability built for engineers who care about speed scale and simplicity. Well unpack the technical architecture behind how ClickStack handles metrics logs and traces using ClickHouse as the backbone for real-time" [YouTube Link](https://youtube.com/watch?v=khy5p26elRs) 2025-11-26T16:57Z 13.4K followers, [---] engagements "ClickHouse Mumbai Meetup - CUBOT BI This talk was delivered live by Yadu Balehosur Founder & CEO of CUBOT BI at the ClickHouse Mumbai meetup on November [--] at Awfis Space Solutions Parinee Crescenzo in Mumbai India. Event page: https://www.meetup.com/clickhouse-mumbai-user-group/events/311852373/ Performance Improvements using CUBOT BI on ClickHouse at Tata Mutual Fund Discover how CUBOT BI powered by ClickHouse transformed data performance for Tata Mutual Fund (TMF). As TMFs database grew over 10x from under [--] GB to more than [---] GB their previous MySQL-based warehouse struggled with BI" [YouTube Link](https://youtube.com/watch?v=lQq8-E0Nrt0) 2025-11-26T16:51Z 13.4K followers, [--] engagements "Alexey Milovidov at Web Summit 2025: Working with massive datasets at scale A practical deep-dive into working with massive datasets in ClickHouse using training data collections as fascinating case studies. This presentation gets hands-on with real data engineering challengesloading analyzing and comparing datasets that range from Common Crawl's web pages to GitHub repositories Wikipedia Reddit and beyond. The demo walks through ingesting the FineWeb dataset (81.5 terabytes of web data) directly from Hugging Face into ClickHouse then explores creative analytical approaches across different" [YouTube Link](https://youtube.com/watch?v=lRi1RcnzoAE) 2025-11-14T09:54Z 13.3K followers, [---] engagements "SQL Dynamic Column Selection in ClickHouse In this video we'll learn about dynamic column selection in SQL with ClickHouse using the New York taxi dataset. Well learn how to use the COLUMNS clause to return columns by regex before showing how to apply functions to aggregate data and format results. We'll also learn how to modify the values of columns as well as excluding fields that we don't want. #sql #modernsql #clickhouse Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=moabRqqHNo4) 2023-11-14T17:00Z 13.3K followers, [----] engagements "ClickHouse Pune Meetup - ThriveStack This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Ankit Gupta Senior Software Engineer at ThriveStack. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ Why ThriveStack chose ClickHouse ThriveStack is a Growth Intelligence platform that unifies data from awareness acquisition activation monetization engagement retention and expansion giving teams a single correlated view of whats driving growth and where leaks are happening. In this session well share how we" [YouTube Link](https://youtube.com/watch?v=n4g8x2YP1UM) 2025-12-11T13:37Z 13.4K followers, [---] engagements "ClickHouse SF Meetups Replo Presented by Ryan Voris - Engineering Leader @ Replo Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=nDL48eSsAa8) 2025-12-17T05:47Z 13.4K followers, [--] engagements "ClickHouse Boston Meetup Memfault Presented by Chris Coleman Co-Founder and CTO @ Memfault Come join us at one of our amazing meetup groups this presentation is from our Boston meetup on September 18th: https://www.meetup.com/clickhouse-boston-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=osyhNs9gh4s) 2025-11-24T17:18Z 13.4K followers, [--] engagements "ClickHouse ti mt Cng ty Tm trung - Tun-Anh Nguyn Staff Engineer Parcel Perform This talk was presented live in Vietnamese at the ClickHouse + AWS + Infinite Lambda meetup in Ho Chi Minh on April [--] [----]. More details can be found at https://www.meetup.com/clickhouse-vietnam-meetup-group/events/306810105/. The deck can be downloaded from https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-hochiminh-1/Talk%203_Parcel%20Perform_HCM%20Meetup_12Apr25.pdf ClickHouse ti mt Cng ty Tm trung Tun-Anh s chia s v qu trnh p dng ClickHouse ti Parcel Perform bt u t vic thay th" [YouTube Link](https://youtube.com/watch?v=pW2IWqR4ud0) 2025-05-03T02:50Z 13.3K followers, [---] engagements "ClickHouse NYC Meetup: Profound Presented by Ian Armstrong Engineer @ Profound at our New York Meetup. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on September 8th: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=sq4808ZfFXo) 2025-09-17T20:38Z 13.3K followers, [---] engagements "Automatic Query Endpoints with ClickHouse Cloud In this video we'll learn about automatic query endpoints in ClickHouse Cloud which allow us to create an API endpoint directly from any saved SQL query in the ClickHouse Cloud Console. Blog - https://clickhouse.com/blog/automatic-query-endpoints" [YouTube Link](https://youtube.com/watch?v=uIh7V3Wnsb4) 2024-05-17T13:02Z 13.3K followers, [----] engagements "An intro to ClickHouse Cloud In this video we'll help you get up and running with ClickHouse Cloud. We'll set up a service ingest some data and then learn how to query it. https://clickhouse.cloud/" [YouTube Link](https://youtube.com/watch?v=uWNY0GLUkqc) 2024-10-16T15:14Z 13.3K followers, [----] engagements "ClickHouse NYC Meetups AI Agents and Real-time Analytics Presented by Donneyli De Jesus Solutions Architect at ClickHouse at our New York Meetup. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on Decmber 8th: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=wPyiWIKzXUs) 2026-01-09T05:11Z 13.4K followers, [---] engagements "ClickHouse Performance Tuning: Optimizing Bloom Filters for 40% CPU Reduction on Petabyte Logs Akshay Nanavati and Poom Chiarawongse Members of Technical Staff at OpenAI share how the OpenAI observability team scaled ClickHouse as ChatGPT adoption and log volume skyrocketed. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse OpenAI's observability platform uses the ClickHouse columnar database to ingest and query petabytes of log data per day providing a solution for extreme-scale high-cardinality telemetry. This monitoring solution is built on" [YouTube Link](https://youtube.com/watch?v=yIVz0NKwQvA) 2025-06-11T15:19Z 13.3K followers, [----] engagements "ClickHouse Tokyo Meetup - KDDI [------] ClickHouse Tokyo KDDI https://www.meetup.com/clickhouse-tokyo-user-group/events/307689645/. LangfuseClickHouse MeetupKDDI Langfuse OLAP ClickHouse AWS RUM LLM ******** This talk was presented at the ClickHouse Tokyo meetup on June [--] [----] by KDDI Agile Development Center Software Engineer Yu Otsubo. Event page is https://www.meetup.com/clickhouse-tokyo-user-group/events/307689645/ A story about visualizing Langfuse data with ClickHouse and integrating it with other data sources At the Tokyo meetup Yu Otsubo from KDDI presented how they combined" [YouTube Link](https://youtube.com/watch?v=yyHPHbt_j7k) 2025-09-19T07:47Z 13.3K followers, [--] engagements "How to Compute a Running Aggregation in ClickHouse Using aggregate functions in a materialized view in ClickHouse can lead to surprising results if you don't define them properly. The AggregatingMergeTree table engine requires special column types for representing and storing intermediate (running) totals of aggregations like avg max min uniq count and all the other aggregate functions in ClickHouse. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=youtube&utm_campaign=how-to AggregatingMergeTree table engine Documentation:" [YouTube Link](https://youtube.com/watch?v=-Ma2ohy_6lM) 2023-09-26T17:18Z 13.4K followers, [----] engagements "Using dbt to Transform Data in ClickHouse Start a Clickhouse Cloud Free Trial download dbt and get started in minutes - https://clickhouse.cloud/signUputm_source=partner&utm_medium=youtube&utm_campaign=dbt-20230124 Join this webinar to learn about how dbt (data build tool) enables analytics engineers to transform data in their warehouses by simply writing select statements. Dbt is compatible with ClickHouse through a ClickHouse-supported plugin. We describe the process for connecting ClickHouse with a simple example based on a real world dataset. We will also hear from one of our users on" [YouTube Link](https://youtube.com/watch?v=16VBGdNuHv8) 2023-01-26T09:06Z 13.4K followers, [----] engagements "How to Upsert Rows into ClickHouse Yes - you can upsert a row in ClickHouse It behaves differently than with other databases so it's important to understand how upserts are implemented using the ReplacingMergeTree table engine including tips on how to avoid using FINAL in a query. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification Don't forget to give us a on Github" [YouTube Link](https://youtube.com/watch?v=2ygBtU4gKFc) 2023-09-05T18:12Z 13.4K followers, [----] engagements "10x Cost Reduction: Clearbit's Postgres to ClickHouse Cloud Migration Clearbit needed a real-time database to handle their massive clickstream data volume and power their UI. Harlow shares why ClickHouse Cloud ticked all the boxes. Get started today: https://clickhouse.com/try Visit Clearbit: https://clearbit.com ClickHouse Clearbit ClickHouse Clearbit" [YouTube Link](https://youtube.com/watch?v=3mS-RSKfGWQ) 2023-09-15T09:19Z 13.4K followers, [---] engagements "ClickStack: Unified Observability with ClickHouse for High-Cardinality Logs Metrics & Traces In this comprehensive tutorial we explore ClickStack an innovative observability platform that revolutionizes how you handle logs traces and metrics by storing them all in a single ClickHouse database. This unified approach makes it incredibly easy to correlate signals across your entire infrastructure and applications. ClickStack is built around three core components that work seamlessly together. First there's the ClickStack distribution of the OpenTelemetry collector which serves as your data" [YouTube Link](https://youtube.com/watch?v=3waDYancX_c) 2025-06-25T16:14Z 13.4K followers, [----] engagements "ClickHouse Bangalore Meetup - Nutanix This talk was presented at the ClickHouse Bangalore meetup on June [--] by Pranav Mehta Member of Technical Staff-4 and Shiv Jha Staff Engineer from Nutanix More information can be found at https://www.meetup.com/clickhouse-bangalore-user-group/events/308323519/ Squeezing Performance: Clickhouse@4GB on Kubernetes ClickHouse is renowned for its high-performance analyticsbut can it run on resource-constrained environments In this talk we present the findings from our deep-dive benchmark of ClickHouse on Kubernetes with as little as 4GB RAM. We share insights" [YouTube Link](https://youtube.com/watch?v=4GsCffBmn-s) 2025-09-19T12:49Z 13.4K followers, [---] engagements "PostgreSQL + ClickHouse = The Open Source Unified Data Stack This video walks through the Postgres-ClickHouse Stack an open source project that lets you run transactional and analytical workloads side by side. We've got Postgres handling your OLTP needs ClickHouse crushing the analytics and PeerDB keeping everything in sync through change data capture. We'll clone the repo fire up the stack with Docker and build a sample expense tracking app with [--] million rows. Then we'll flip a switch to route analytical queries to ClickHouse and watch the dashboard load three times faster. It's a" [YouTube Link](https://youtube.com/watch?v=4hM1nKtXn04) 2026-01-27T16:24Z 13.4K followers, [----] engagements "ClickHouse NYC Meetups Libre Chat Presented by Danny Avila at ClickHouse at our New York Meetup. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on Decmber 8th: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=5DUvTbntkAg) 2026-01-09T05:12Z 13.4K followers, [---] engagements "ClickHouse at Netflix: Petabyte-Scale Log Storage for Microservices Presented by Daniel Muino Software Engineer @ Netflix at our Los Gatos Meetup at the Netflix Theater. See how Netflix stores Petabytes a day of operational logs with reasonable cost and lightning fast query speed using ClickHouse. Deck is here: https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-losgatos/Petabyte-Scale%20Log%20Storage%20for%20Microservices%20(1).pdf Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 12th:" [YouTube Link](https://youtube.com/watch?v=64TFG_Qt5r4) 2025-03-22T03:49Z 13.4K followers, [----] engagements "ClickHouse Cloud Update - September2024 - Building an AI Copilot with OpenAI/Redpanda/ClickHouse" [YouTube Link](https://youtube.com/watch?v=6AkJKKYZIjI) 2024-09-25T04:11Z 13.4K followers, [---] engagements "Projections in ClickHouse Discover how to dramatically improve query performance in ClickHouse using projections - a powerful feature that creates query-optimized copies of your data. This video demonstrates projections using a real-world example with [--] million UK property price records. Watch as we reduce query time from [--] milliseconds to just [--] milliseconds by creating a projection for calculating average house prices by county. What You'll Learn: 🔸 What projections are and how they work as hidden tables that update atomically 🔸 Three main use cases: reordered datasets subset filtering" [YouTube Link](https://youtube.com/watch?v=6CdnUdZSEG0) 2025-06-11T12:50Z 13.4K followers, [----] engagements "An Introduction to ClickHouse Cloud An introduction to ClickHouse Cloud by our PM Zach Naimon PM of SQL Console at ClickHouse. An overview of how you can start a service load data and deliver insights in a few steps without involving developer operations. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse [----] ClickHouse 2020" [YouTube Link](https://youtube.com/watch?v=6HT0_klwK6M) 2023-01-30T18:10Z 13.4K followers, [----] engagements "Open House NYC: ClickHouse for Real-Time Analytics Zach Naimon Principal Product Manager at ClickHouse presents how real-time analytics needs are evolving for more complex queries at enormous scale and how ClickHouse delivers low-latency insights. Session recording from Open House roadshow NYC [----]. https://clickhouse.com/openhouse/nyc ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=7AjmEesNzHs) 2025-10-21T13:07Z 13.4K followers, [---] engagements "How Klaviyo cut segment processing from hours to [--] second with ClickHouse Klaviyo the $7 billion marketing automation platform powering over [------] brands hit a wall with its segmentation engine a few years back. Computing which customer segments people belonged to was painfully slow -sometimes taking over an hour even with pre-aggregated data. Their original system was a patchwork of Python orchestration MySQL and Cassandra that just couldn't keep up. So in [----] they decided to rebuild everything from scratch around ClickHouse and the results speak for themselves: what used to take an hour" [YouTube Link](https://youtube.com/watch?v=7mB6js7rDpI) 2025-11-19T10:20Z 13.4K followers, 21.1K engagements "Effective Network Threat Detection with ClickHouse In this SF meetup video Mike Parowski fromHarveyAI breaks down how they leverage network logs for proactive threat detection to keep their network secure. While many treat network logs as a tool for retroactive investigation HarveyAI takes a forward-thinking approach with RunReveal as their SIEM powered by ClickHouse. Discover how ClickHouses fast scalable data capabilities help HarveyAI stay ahead of potential threats. https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/302540575/ ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=9E2_35TAPGQ) 2024-09-10T02:45Z 13.4K followers, [----] engagements "ClickHouse v25.11 Release Webinar" [YouTube Link](https://youtube.com/watch?v=9HF2ObDX-RA) 2025-11-25T16:48Z 13.4K followers, [----] engagements "Fast Concurrent and Consistent Asynchronous INSERTS in ClickHouse At the ClickHouse Amsterdam Meetup in March 2023.Han Fei gave this presentation. The slides can be found at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup70 ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=AsMPEfN5QtM) 2023-03-27T21:01Z 13.4K followers, [----] engagements "How to Optimize a ClickHouse Query using Projections Projections are a query-optimization feature of MergeTree tables in ClickHouse that store data in a different format than the defined sort order. Useful use cases include the ability to sort the data in a different order than the primary key and also to pre-aggregate columns. One nice benefit of projections over materialized views is that a projection does not require a separate table so users simply query the original table and ClickHouse decides at query time if a projection can improve the performance. Reference links: ClickHouse Quick" [YouTube Link](https://youtube.com/watch?v=BaQDPA9pi2U) 2023-09-11T21:00Z 13.4K followers, 10.9K engagements "Financial functions in ClickHouse In this video we dive into the new financial functions introduced in ClickHouse [----]. These additions bring powerful tools for financial analysis right into your database queries. We'll explore two key functions: internal rate of return (IRR) and net present value (NPV) demonstrating their practical applications with real-world examples. 🔸 Learn how to calculate the internal rate of return on investments using Apple stock as an example 🔸 Discover the extended IRR function that allows for specific date inputs 🔸 Understand net present value calculations and" [YouTube Link](https://youtube.com/watch?v=BePLPVa0w_o) 2025-10-22T14:12Z 13.4K followers, [---] engagements "Backfilling materialized views in ClickHouse: A practical guide Learn how to properly backfill historical data when adding materialized views to existing ClickHouse tables. This tutorial walks you through a common challenge when working with large datasets and shows you how to maintain data consistency across your analytics pipeline. In this video you'll discover: 🔸 How to create efficient materialized views for aggregating data 🔸 Why backfilling is necessary when adding views to tables with existing data 🔸 A step-by-step approach using temporary tables for backfilling large datasets 🔸" [YouTube Link](https://youtube.com/watch?v=CHMjJQr3j-4) 2025-05-02T15:29Z 13.4K followers, [----] engagements "How to update data in ClickHouse (2025 edition) ClickHouse has just made updating data significantly more straightforward with a new approach that uses familiar SQL syntax. Instead of rewriting entire data parts like the traditional ALTER TABLE method this update mechanism creates lightweight "patch parts" that store only the changed values as deltas. These patches are applied at query time and eventually merged in the background making small frequent updates much more efficient than before. 🔸 Hands-on demonstration using the UK price paid dataset with [--] million rows 🔸 Understanding how" [YouTube Link](https://youtube.com/watch?v=E65dBI495PE) 2025-12-04T11:28Z 13.4K followers, [----] engagements "The many modes of ClickHouse In this video we'll learn all about the different modes that ClickHouse supports covering ClickHouse Server ClickHouse Cloud ClickHouse Local and chDB. 🟡 clickhouse-local - https://clickhouse.com/docs/en/operations/utilities/clickhouse-local 🟡 chDB - https://clickhouse.com/chdb 🟡 ClickHouse Cloud - https://clickhouse.com/cloud Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=EOXEW_-r10A) 2025-01-07T07:16Z 13.4K followers, [----] engagements "An intro to ClickHouse regex tree dictionaries This video explains ClickHouse's regular expression tree dictionary feature which maps keys to attributes using hierarchical regex patterns defined in YAML files. These dictionaries are particularly useful for parsing user agent strings. The tutorial demonstrates how to create and use regex tree dictionaries in ClickHouse showing the YAML structure that defines operating systems and versions through nested regular expressions. It covers the complete workflow from dictionary creation to practical usage with the dict_get function illustrating" [YouTube Link](https://youtube.com/watch?v=ESlAhUJMoz8) 2025-04-10T13:53Z 13.4K followers, [---] engagements "Vector Search In ClickHouse - Dale McDiarmid Do you really need a #vectordatabase (No.) This presentation was given at the ClickHouse community meeutp in London - https://www.meetup.com/clickhouse-london-user-group/events/292892824/ The slides are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup75 ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=F08ktx1ZrpI) 2023-06-06T15:48Z 13.4K followers, [----] engagements "ClickHouse for AI/ML: An Overview (Open House) Alexey Milovidov CTO Ryadh Dahimene Director PM and Zach Naimon Principal Product Manager at ClickHouse share a perspective on evolution of AI/ML use cases and how ClickHouse fits into the data landscape as the market evolves. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/ai https://clickhouse.com/openhouse ClickHouse open source database AI ML ClickHouse open source database AI ML" [YouTube Link](https://youtube.com/watch?v=GfvZHSdJ4CU) 2025-06-11T15:18Z 13.4K followers, [----] engagements "Canva Migrating Production Observability Workloads onto ClickHouse Zjan Carlo Turla Software Engineer at Canva shares how they migrated production observability workloads in ClickHouse and saved costs by 70%. Session recording from Open House roadshow Sydney [----]. https://clickhouse.com/openhouse/sydney ClickHouse Canva Observability ClickHouse Canva Observability" [YouTube Link](https://youtube.com/watch?v=GhdvbyHtg4c) 2025-11-04T02:43Z 13.4K followers, [---] engagements "ClickHouse v25.8 Release Webinar" [YouTube Link](https://youtube.com/watch?v=HB_-vji9RB0) 2025-08-28T15:06Z 13.4K followers, [----] engagements "ClickHouse for Financial Analytics - Baudouin Giard (Bloomberg) This talk was given at the ClickHouse Community Meetup in Manhattan on December [--] [----] - https://www.meetup.com/clickhouse-new-york-user-group/events/289403909/ The presentation materials are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup67 ClickHouse [----] ClickHouse 2020" [YouTube Link](https://youtube.com/watch?v=HmJTIrGyVls) 2023-01-18T13:12Z 13.4K followers, [----] engagements "ClickHouse for Data Warehousing (Open House) Chlo Carasso dit Carson Senior Product Manager at ClickHouse gives an overview of how the data landscape has evolved to meet modern cloud infrastructure needs. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=LgtfMhXU8gE) 2025-06-11T15:20Z 13.4K followers, [----] engagements "ClickHouse Performance Tuning: Get less than 50ms Observability Queries with Condition Cache Discover how ClickHouse 25.3's query condition cache dramatically improves query performance in this tutorial. Learn how this powerful feature caches filter results at the granule level allowing ClickHouse to skip large portions of data during repeated queries with similar WHERE clauses. We demonstrate the cache in action using a 100-million-row dataset showing how query execution time drops from [---] seconds to just [--] milliseconds when the cache kicks in. You'll see how to inspect cache hits/misses" [YouTube Link](https://youtube.com/watch?v=MG15Ioq708E) 2025-04-01T12:20Z 13.4K followers, [----] engagements "Under-the-Hood: ClickHouse Incremental Materialized Views and Dictionaries This webinar explores how organizations use ClickHouse Materialized Views and Dictionaries to transform enrich and aggregate streaming data on ingest enabling high-performance personalization operational dashboards and anomaly detection while reducing ETL overhead and infrastructure costs. ClickHouse Data Engineering ClickHouse Data Engineering" [YouTube Link](https://youtube.com/watch?v=Mgsm11T7tO8) 2026-01-20T07:37Z 13.4K followers, [---] engagements "RunReveal + ClickHouse Alan Braithwaite Co-Founder & CTO at RunReveal talks with Tristan Ahmadi Solution Architect at ClickHouse about his experience with ClickHouse. Interview at Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=N2z_a9GnACA) 2025-06-11T15:20Z 13.4K followers, [---] engagements "ClickHouse Open House Keynote [----] Keynote recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse Aaron Katz ClickHouse CEO talks about the founding of ClickHouse Inc. and the trajectory of the company. Alexey Milovidov ClickHouse CTO and the creator of the ClickHouse open source project shares the origin story of ClickHouse. Yury Izrailevsky ClickHouse President of Engineering and Krithika Balagurunathan Head of Product for ClickHouse Cloud dive into the details of ClickHouse Cloud. Tanya Bragin VP Product & Marketing at ClickHouse covers the latest" [YouTube Link](https://youtube.com/watch?v=N_THorP0HbM) 2025-06-11T15:18Z 13.4K followers, [----] engagements "How OpenAI Achieves Petabyte-Scale Observability with ClickHouse: [--] Key Reasons In this video we explore the reasons why OpenAI chose ClickHouse for its massive-scale observability needs. While most people don't handle petabytes of data daily the challenges of efficient data management and real-time troubleshooting are universal. We'll explore how ClickHouse's features address these pain points making it a powerful solution for organizations of all sizes. Key points covered: 🔸 SQL compatibility and its impact on accessibility and data analysis 🔸 Cloud-native architecture and horizontal" [YouTube Link](https://youtube.com/watch?v=OTzSgwxS2lc) 2025-09-29T10:23Z 13.4K followers, 397K engagements "Filling gaps in time-series data with ClickHouse In this video we're going to learn how to fill gaps in time-series data using ClickHouse's WITH FILL clause. Blog post - https://clickhouse.com/blog/working-with-time-series-data-and-functions-ClickHouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=OjdGv0ZQsJk) 2024-05-28T12:42Z 13.4K followers, [----] engagements "Using ClickHouse for financial market data - Christoph Wurm (ClickHouse) This talk was given at the ClickHouse Community Meetup in Stockholm on [--] December [----] - https://www.meetup.com/clickhouse-stockholm-user-group/events/289492084/ The presentation materials are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup65 Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse [----] ClickHouse 2020" [YouTube Link](https://youtube.com/watch?v=Ojv6LPXKy2U) 2023-01-17T23:29Z 13.4K followers, [----] engagements "ClickHouse for Observability: Ingesting 560TB/Day of High-Cardinality Unsampled Data Vlad Seliverstov Engineering Manager at ClickHouse shares the story of the ClickHouse observability team moving off Datadog to ClickHouse + Grafana + HyperDX. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse provides a cost-effective solution for building custom observability platforms to handle high-cardinality unsampled telemetry at petabyte scale. This approach used internally by ClickHouse for their 'Loghouse' monitoring platform costs a" [YouTube Link](https://youtube.com/watch?v=PagFmmCziYE) 2025-06-11T15:19Z 13.4K followers, [---] engagements "From Complex to Simple: How FinBox Streamlined Data Infrastructure with ClickHouse Discover how FinBox a leading fintech platform providing credit and data infrastructure solutions simplified their data systems and boosted performance by implementing ClickHouse. In this talk Kushal Halder Principal Architect & CISO at FinBox shares practical takeaways and lessons from transforming complex pipelines into a fast efficient analytics stack. Session recording from Open House roadshow Bangalore [----]. https://clickhouse.com/openhouse/bangalore ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=PghysB5KYXU) 2025-11-06T07:11Z 13.4K followers, [---] engagements "An intro to Materialized Views in ClickHouse In this video we explore materialized views in ClickHouse using a dataset of PyPI download events. Materialized views in ClickHouse don't store data themselves but perform transformations on data as it is inserted. We illustrate this process using the PyPI dataset showing how it can efficiently aggregate daily download counts per project. #clickhouse #pypi #clickpy Resources 📖 * clickPy GitHub repo - https://github.com/ClickHouse/Clickpy#public-instance * clickPy App - https://clickpy.clickhouse.com/ Don't forget to give us a on Github" [YouTube Link](https://youtube.com/watch?v=QUigKP7iy7Y) 2023-11-09T17:00Z 13.4K followers, 13.9K engagements "AI-powered text-to-SQL feature in ClickHouse This video explores the exciting new AI-powered text-to-SQL feature introduced in ClickHouse [----]. This nifty addition allows users to generate SQL queries using natural language making database interactions more intuitive and accessible. We'll walk you through setting it up and demonstrate its capabilities using real-world examples from a UK property price dataset. Key points covered: 🔸 Setting up the AI-powered text-to-SQL feature with OpenAI or Anthropic API keys 🔸 Exploring available databases and tables using AI-generated queries 🔸" [YouTube Link](https://youtube.com/watch?v=QXSTKu0FCiI) 2025-09-08T13:14Z 13.4K followers, [----] engagements "ClickHouse for Real-Time Analytics (Open House) Zach Naimon Principal Product Manager at ClickHouse gives an overview of ClickHouse for real-time analytics. Session recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=SnFff0KYwuo) 2025-06-11T16:54Z 13.4K followers, [----] engagements "ClickHouse on Kubernetes: Air-Gapped Deployment for Scalable Cost-Effective Observability Maruth Goyal Member of Technical Staff at Anthropic shares how ClickHouse is used to improve observability. Session recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse Anthropic uses a specialized air-gapped ClickHouse deployment for its observability platform enabling real-time data ingest and fast analytics within its secure compute environment to support the development of Claude large language models. This solution was selected to handle exponential data" [YouTube Link](https://youtube.com/watch?v=SrLKbzdFEWA) 2025-06-11T15:18Z 13.4K followers, [----] engagements "How ClickHouse optimizes Top-N queries Top-N queriesfinding the most recent events highest-scoring users or biggest transactionsare everywhere in data analytics. ClickHouse has some clever engine-level optimizations specifically designed to make these queries blazingly fast. In this video we walk through several of these optimizations using a 100-million-row web analytics dataset showing you exactly how they work and when to use them. We'll cover how ClickHouse leverages sorting keys and min-max indexes to speed up top-N queries and explore three experimental settings that can dramatically" [YouTube Link](https://youtube.com/watch?v=SyayPSrsAhI) 2026-01-20T16:00Z 13.4K followers, [---] engagements "Data pruning Why is ClickHouse fast (Part 4) This video explains three key techniques ClickHouse uses to avoid scanning unnecessary data during queries: Key points covered: Primary Index - How ClickHouse uses sorted data and in-memory indexes Skipping Indexes - Additional filtering using specialized indexes Projections - Alternative data copies for different query patterns The video demonstrates how these three techniques work together to make ClickHouse queries faster by minimizing the amount of data that needs to be scanned. Docs -" [YouTube Link](https://youtube.com/watch?v=UJpVAx7o1aY) 2025-02-27T12:47Z 13.4K followers, [----] engagements "Lightweight Updates: ClickHouse Core Database Innovations for Real-Time Analytics (Open House) Nikita Mikhailov Director Engineering at ClickHouse and one of the original ClickHouse developers talks about the latest core database innovations for real-time analytics. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database real-time analytics ClickHouse open source database real-time analytics" [YouTube Link](https://youtube.com/watch?v=UN0RM56uiFI) 2025-06-11T15:19Z 13.4K followers, [----] engagements "Inserting data into Apache Iceberg from ClickHouse This video explores ClickHouse's experimental support for Apache Iceberg writes introduced in version [----]. We'll walk you through the process of creating querying and writing to Iceberg tables using both PySpark and ClickHouse. This practical demonstration showcases the seamless integration between these powerful data technologies. Key points covered: 🔸 Setting up an Iceberg table with PySpark and importing New York taxi data 🔸 Querying Iceberg tables in ClickHouse using the iceberg_local engine 🔸 Performing inserts from ClickHouse into" [YouTube Link](https://youtube.com/watch?v=UUCBdDffRIA) 2025-09-26T10:25Z 13.4K followers, [---] engagements "ClickHouse v25.12 Release Call" [YouTube Link](https://youtube.com/watch?v=UdxLygnjsRY) 2025-12-18T16:22Z 13.4K followers, [----] engagements "Working with the Time data type in ClickHouse ClickHouse [----] introduced the Time data type for storing time values. This video covers how to use the new Time and Time64 data types in your ClickHouse queries and tables. What we'll cover: 🔸 Creating Time values with casting and toTime() function 🔸 Using Time64 for millisecond/nanosecond precision 🔸 Required settings: enable_time_time64_type 🔸 Practical example with running splits data 🔸 Aggregating Time data (max min and workarounds for average/quantiles) 🔸 Converting between Time types and Unix timestamps We'll work through a real" [YouTube Link](https://youtube.com/watch?v=WkWT00EERMI) 2025-09-03T13:22Z 13.4K followers, [---] engagements "Alexey Milovidov creator of ClickHouse talks Open Software Infrastructure [---] at RAISE Summit In this insightful interview Alexey Milovidov co-founder and CTO of ClickHouse shares his perspective on open source AI and the future of database technology. As the driving force behind a service used by thousands of customers including major AI companies like OpenAI and Anthropic Alexey offers valuable insights into the world of data management and tech entrepreneurship. He covers the following: 🔸 The advantages of building a business on open-source technology 🔸 Strategies for balancing open" [YouTube Link](https://youtube.com/watch?v=Z3K1I5_Biac) 2025-07-18T15:57Z 13.4K followers, [----] engagements "New SQL features in ClickHouse [-----] In the latest ClickHouse [-----] release several useful SQL features are introduced making everyday queries more straightforward to write. We're talking about functions that help you find values associated with min/max results work with fractional limits analyze cumulative distributions and handle some everyday data manipulation tasks. Nothing groundbreaking but definitely valuable additions to your SQL toolkit. In this walkthrough we cover practical examples of each new feature so you can see exactly how they work and when you might want to use them. 🔸" [YouTube Link](https://youtube.com/watch?v=ZpGfIZNGQYk) 2025-12-05T09:35Z 13.4K followers, [---] engagements "ClickHouse v25.6 Release Call Chapters: 0:00 - Introduction 2:32 - System Codecs 4:34 - Bitcoin addresses 6:45 - Wellknown binary 16:29 - Merge table engine 18:44 - Read and write JSON 20:30 - Split tokenizer 25:12 - Custom disk 26:54 - Iceberg history 29:28 - Distributed queries 31:08 - Workloads 33:03 - Bloom Filter Index 34:14 - Multiple Projections 35:46 - Time Data Type 36:52 - ClickHouse Diagnostics 40:08 - New Window Functions 41:15 - New Terraform Provider 41:51 - New ClickHouse Website 43:32 - ClickHouse Lexer 44:30 - Birds on the Map 45:53 - OpenHouse Conference 47:52 - ClickHouse" [YouTube Link](https://youtube.com/watch?v=_9IBOM3pR4U) 2025-06-26T15:11Z 13.4K followers, [----] engagements "Preparing for the ClickHouse Certified Developer Exam Learn everything you need to know to successfully prepare for the ClickHouse Certified Developer exam. Well walk you through the entire process from start to finish. Youll learn what tasks will be covered on the exam tips on how to prepare for the exam what the exam environment looks like and much more ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=bLXCYhf5G8Q) 2025-02-14T18:07Z 13.4K followers, [----] engagements "Will ClickHouse be around for [--] years Alexey Milovidov co-founder and CTO of ClickHouse shares his perspective on the importance of open source in the tech industry. As the leader of a company that provides database services to thousands of customers including major AI companies like OpenAI and Tropic Alexey offers valuable insights into why open source remains a crucial strategy for technology development and distribution. ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=c4St-yxxWgQ) 2025-07-18T15:51Z 13.4K followers, [----] engagements "Hin i ho h thng Analytics vi Amazon Bedrock v ClickHouse - Nhat Tran AWS Solution Architect This talk was presented live in Vietnamese at the ClickHouse + AWS + Infinite Lambda meetup in Ho Chi Minh Vietnam on April [--] [----]. More details from https://www.meetup.com/clickhouse-vietnam-meetup-group/events/306810105/ Hin i ho h thng Analytics vi Amazon Bedrock v ClickHouse Bc vo k nguyn ca AI to sinh vi bi thuyt trnh chuyn su v vic hin i ho h thng Analytics vi GenAI hiu qu s dng AWS Bedrock v Clickhouse. Chng ti s trnh by chi tit cch thit k kin v ng dng GenAI trong hin i ho h thng Analytics kt" [YouTube Link](https://youtube.com/watch?v=c7uf5Dw3-9Y) 2025-05-03T02:24Z 13.4K followers, [---] engagements "ClickHouse v25.10 Release Webinar" [YouTube Link](https://youtube.com/watch?v=cV2hiOCzDG4) 2025-10-30T20:47Z 13.4K followers, [----] engagements "ClickHouse v23.6 Release Webinar ClickHouse [----] is here Slides are available at https://presentations.clickhouse.com/release_23.6/ ## Contents 0:00:00 Welcome & Introductions 0:06:20 ClickHouse Release [----] 0:06:56 All Data Types in Function transform 0:08:44 SELECT . INTO OUTFILE '.' TRUNCATE 0:09:46 Skip Empty Files On Data Import 0:11:36 Rename Files After Processing 0:18:02 Connection String For clickhouse-client 0:22:11 session_timezone 0:25:00 Integration With MongoDB 5.1+ 0:26:06 Performance Optimizations 0:26:30 "Too many parts" Is Relaxed 0:31:21 Background Threads In" [YouTube Link](https://youtube.com/watch?v=cuf_hYn7dqU) 2023-06-30T05:08Z 13.4K followers, [----] engagements "An intro to time-series databases This video provides an overview of time series data and its storage in databases. It explains the characteristics of time series data how it's produced and the requirements for efficiently managing and analyzing it. Key points covered: 🔸 Definition and types of time series data (regular intervals vs. event-driven) 🔸 Importance of timestamps and analyzing changes over time 🔸 Database requirements for handling time series data efficiently 🔸 Categories of time series databases including purpose-built solutions and analytics platforms 🔸 Demonstration of" [YouTube Link](https://youtube.com/watch?v=ddk2qOdulWY) 2025-08-10T21:01Z 13.4K followers, [----] engagements "Concurrent inserts and selects are isolated Why is ClickHouse fast (Part 2) This video explores another crucial aspect of ClickHouse's performance: how it handles concurrent operations through thread isolation. Learn how ClickHouse performs multiple operations simultaneously without creating bottlenecks. Key points covered: Dedicated thread pools for different operations: Insert operations Background merge processes Query execution How concurrent operations work in isolation Background merge process functionality Real-time query handling during merges How data parts are managed during" [YouTube Link](https://youtube.com/watch?v=dvGlPh2bJFo) 2025-02-20T11:49Z 13.4K followers, [----] engagements "Introducing ClickStack: The Future of Observability on ClickHouse Today's fragmented observability landscape leaves developers juggling separate databases for logs metrics and traces slowing incident response increasing frustration and driving up costs. Tristan Ahmadi Solution Architect at ClickHouse introduces ClickStack an open-source observability platform built on ClickHouse HyperDX and OpenTelemetry. ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=eCAql-vUtwc) 2025-11-04T21:57Z 13.4K followers, [----] engagements "ClickHouse SF Meetups Rill Presented by Mike Driscoll - CEO @ Rill Data Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=ejOKXO2159M) 2025-12-17T05:48Z 13.4K followers, [--] engagements "Maximising Analytics with ClickHouse and Kafka Integration This presentation was given at the ClickHouse & Confluent Meetup in Kuala Lumpur Malaysia on December [--] [----]. The slides can be found at https://clickhou.se/clickhouse-kl-meetup-slides Maximising Analytics with ClickHouse and Kafka Integration ClickHouse a high-performance columnar database excels in handling large-scale data inserts and fast analytical querying making it ideal for building real-time reporting solutions. Kafka a distributed streaming platform complements ClickHouse by providing high-throughput data ingestion message" [YouTube Link](https://youtube.com/watch?v=euFVNkYw-2o) 2025-01-24T08:15Z 13.4K followers, [----] engagements "ClickHouse v26.1 Release Webinar The ClickHouse v26.1 release brings [--] features [--] performance optimizations and a record [---] bug fixes. Alexey walks through the technical updatesdistinct queries are now 2x faster on low-cardinality columns JIT compilation extends to nullable aggregates and decimals and sparse n-grams improve text search selectivity. There's also a new Keeper dashboard that exposes cluster metrics and node data over HTTP plus better async insert idempotency that now covers materialized views. The bigger announcement is ClickHouse's managed Postgres service now in private" [YouTube Link](https://youtube.com/watch?v=fWuYt4M0xE4) 2026-01-29T16:13Z 13.4K followers, [----] engagements "Faster JOINs in ClickHouse (Open House) Robert Schulze Engineering Manager at ClickHouse shares the latest ClickHouse core database product innovations for data warehousing improving support for faster JOINs. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database JOINs ClickHouse open source database JOINs" [YouTube Link](https://youtube.com/watch?v=gd3OyQzB_Fc) 2025-06-11T15:19Z 13.4K followers, [----] engagements "Trouble Will Find You: How Cloudflare Scales Using ClickHouse Presented by Jamie Herre Sr.Director of engineering at Cloudflare. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on August 26th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #cloudflare Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=kmvnpejZ_CY) 2025-09-09T14:51Z 13.4K followers, [---] engagements "Building AI for Financial Analysis: How ClickHouse Powers Real-Time Intelligence Explore how StockGro a leading social investing and financial education platform leverages ClickHouse to power real-time analytics and AI-driven financial insights. In this talk Shreyas Patil Founding Engineer at StockGro shares how ClickHouses speed and scalability enable smarter data-backed decision-making at scale. Session recording from Open House roadshow Bangalore [----]. https://clickhouse.com/openhouse/bangalore ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=lpWBjZyP4ms) 2025-11-06T07:19Z 13.4K followers, [---] engagements "Data lakehouses (in under [--] minutes) What is a data lakehouse and why is everyone talking about them This quick explainer covers everything you need to know. We'll start by discussing data lakes and their common challengesschema evolution data integrity query performance data discovery and access controland then show you how the four-layer lakehouse architecture solves these problems. You'll learn about open table formats like Iceberg Delta Lake and Hudi plus how data catalogs like AWS Glue and Unity Catalog complete the picture. By the end you'll understand why lakehouses are becoming the" [YouTube Link](https://youtube.com/watch?v=mueG6z1mo8Y) 2025-06-30T12:49Z 13.4K followers, [----] engagements "ClickHouse as an Arrow Flight Server Arrow Flight is a high-performance RPC framework built on gRPC that's specifically designed for efficiently transferring large Arrow datasets between services. In this hands-on tutorial we explore how to use ClickHouse as an Arrow Flight server demonstrating both bulk data retrieval and streaming approaches. We'll work with a real dataset of over [--] million UK property records to show you the practical performance characteristics and capabilities you can expect. The video walks through three different approaches to querying data via Arrow Flight. First we" [YouTube Link](https://youtube.com/watch?v=o7v-ghWUQ5A) 2026-02-03T16:52Z 13.4K followers, [---] engagements "Better Together: Postgres to ClickHouse Replication with PeerDB Learn how easy Postgres Replication becomes by leveraging PeerDB Come join us at one of our amazing meetup groups this presentation is from our austin meetup https://www.meetup.com/clickhouse-austin-user-group #peerDB #clickhouse #postgres #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=oPXwF4OlrR0) 2024-11-14T18:07Z 13.4K followers, [----] engagements "Aggregation States in ClickHouse In this video we'll learn about aggregation states and the AggregatingMergeTree table engine in ClickHouse. Code - https://github.com/ClickHouse/examples/tree/main/LearnClickHouseWithMark/Aggregation-State Blog post - https://clickhouse.com/blog/aggregate-functions-combinators-in-clickhouse-for-arrays-maps-and-states#working-with-aggregation-states Documentation - https://clickhouse.com/docs/en/sql-reference/data-types/aggregatefunction#::text=The%20common%20way%20to%20producefunction%20with%20the%20%2DMerge%20suffix. Don't forget to give us a on Github" [YouTube Link](https://youtube.com/watch?v=pryhI4F_zqQ) 2024-04-05T13:01Z 13.4K followers, [----] engagements "Postgres and ClickHouse: The Default Data Stack (Open House) Sai Srirampur and Kaushik Iska founders of PeerDB discuss the evolving better together story for Postgres users and the future of change data capture (CDC) at ClickHouse. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database Postgres PostgreSQL analytical database transactional database real-time analytics ClickHouse open source database Postgres PostgreSQL analytical database transactional database real-time analytics" [YouTube Link](https://youtube.com/watch?v=pwOEYtNtk9k) 2025-06-11T15:19Z 13.4K followers, [----] engagements "ClickHouse Observability: ClickStack Unifies Logs Traces & Metrics at Scale (Open House) Mike Shi founder of HyperDX introduces ClickStack: the high performance open-source observability stack. Lightning-fast queries and powerful aggregations on logs metrics traces session replays and errors with unmatched resource efficiency for even your highest-cardinality data. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/o11y https://clickhouse.com/openhouse ClickStack is an open-source observability platform that unifies logs metrics and traces in ClickHouse" [YouTube Link](https://youtube.com/watch?v=qb87h5ScI5k) 2025-06-11T15:18Z 13.4K followers, [----] engagements "A ClickHouse table engine that ignores data In this video we'll learn about ClickHouse's Null Table Engine. #clickhouse Code - https://github.com/ClickHouse/examples/tree/main/LearnClickHouseWithMark/NullTableEngine Docs - https://clickhouse.com/docs/en/engines/table-engines/special/null ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=r-QQ4VEJN68) 2024-07-05T09:45Z 13.4K followers, [----] engagements "How RunReveal is using ClickHouse to Build a Ridiculously Fast Threat Detection Pipeline This presentation was given by Alan Braithwaite at the ClickHouse Community Meetup in San Francisco - https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/296334923/ If you are interested in attending a future event please join a Meetup Group near you at https://www.meetup.com/pro/clickhouse To get started with ClickHouse visit https://clickhouse.com/ to download or start a free ClickHouse Cloud Trial ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=rVZ9JnbzHTQ) 2023-11-30T14:08Z 13.4K followers, [---] engagements "Postgres managed by ClickHouse We've just launched Postgres managed by ClickHouse and yes we know that sounds a bit unusual coming from us. But here's the thing: most of you are already running both databases anywayPostgres for transactions and ClickHouse for analytics. So we figured why not make that setup a whole lot easier This video walks through what makes our Postgres offering different how the native integration works and a full demo of setting it up replicating data and querying across both systems. 🔸 Local NVMe storage for maximum transaction throughput (no network-attached storage" [YouTube Link](https://youtube.com/watch?v=rpBA13nQxAk) 2026-01-22T16:23Z 13.4K followers, [----] engagements "Approx vector search in ClickHouse Looking to speed up your vector similarity searches in ClickHouse This video walks through approximate vector search using HNSW indexes which can dramatically reduce query times compared to linear scans. We'll work with a dataset of nearly a million Wikipedia entries showing you how to set up vector similarity indexes and when to use different distance functions. We start with a basic linear scan approach using L2 distance then introduce vector similarity indexes that bring query times down from seconds to milliseconds. You'll see practical examples using" [YouTube Link](https://youtube.com/watch?v=sBQiHWl3qYw) 2026-01-28T17:57Z 13.4K followers, [---] engagements "Clickhouse Chicago Meetups Jumptrading Arnaud Adant Database Team Lead @ Jump Trading Group Come join us at one of our amazing meetup groups this presentation is from our Chicago meetup on October 9th: https://www.meetup.com/clickhouse-chicago-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=t4rjN5WTbdU) 2025-11-24T17:12Z 13.4K followers, [---] engagements "The Postgres Developers guide to updates and deletes in ClickHouse Learn how to handle updates and deletes in ClickHouse when coming from a Postgres background This tutorial walks through working with CDC (Change Data Capture) data synced from Postgres to ClickHouse using ClickPipe. Unlike Postgres which does updates and deletes in-place ClickHouse uses versioned inserts with the ReplacingMergeTree engine. We'll explore how to properly query this data and avoid common pitfalls when counting records with updates and deletes. 🔸 ReplacingMergeTree fundamentals - How ClickHouse handles duplicate" [YouTube Link](https://youtube.com/watch?v=uGf_D15Zh4A) 2025-06-13T16:55Z 13.4K followers, [----] engagements "ClickHouse Seoul Meetup - Intro to ClickHouse & My favorite features [--] [--] Google Startup Campus ClickHouse + Dev Korea ClickHouse Principal TAM Architect Derek Chia . : https://www.meetup.com/clickhouse-seoul-user-group/events/311633023/ ClickHouse Derek Ken ClickHouse . ClickHouse - - . ClickHouse . : https://github.com/ClickHouse/clickhouse-presentations/tree/master/2025-meetup-seoul-1 ******** This talk was delivered live at the ClickHouse + Dev Korea Seoul meetup on November [--] at Google Startup Campus by Derek Chia Principal TAM Architect and Ken Lee" [YouTube Link](https://youtube.com/watch?v=uJwR3a54XUg) 2025-12-11T14:21Z 13.4K followers, [---] engagements "ClickHouse at Scale This video introduces ClickHouse at scale beginning with sharding a replication in ClickHouse and how to achieve a sharded and replicated set-up. For more like this go take our free training in ClickHouse Academy: https://learn.clickhouse.com/visitor_class_catalog. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse at scale sharding ClickHouse ClickHouse at scale sharding" [YouTube Link](https://youtube.com/watch?v=vBjCJtw_Ei0) 2023-01-31T17:20Z 13.4K followers, 27.4K engagements "Text to SQL with Llama Index and ClickHouse In this video we'll explore how to do Text to SQL in ClickHouse with LlamaIndex. #llamaindex #clickhouse Blog Post - https://clickhouse.com/blog/building-hackernews-stackoverflow-chatbot-with-llamaindex-and-clickhouse Waii - https://www.waii.ai/ ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=vKs8-GQnAQc) 2024-06-06T15:18Z 13.4K followers, [----] engagements "How to Ingest Files into ClickHouse ClickHouse has a great collection of table functions for reading files from all types of different locations including files on the web S3 GCS and Azure Blob Storage. ClickHouse also reads data in dozens of different formats like CSV TSV JSON Parquet Avro and more. Learn how to combine these two capabilities to read a file from basically anywhere and in any format. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials Table Functions Documentation:" [YouTube Link](https://youtube.com/watch?v=vhrSxW15su4) 2023-09-05T18:06Z 13.4K followers, 10.2K engagements "Concurrent inserts are isolated from each other Why is ClickHouse fast (Part 1) This video explains one of the key reasons behind ClickHouse's impressive performance: its unique approach to data insertion. Learn how ClickHouse handles data insertions differently from traditional relational databases like PostgreSQL. Key points covered: Understanding ClickHouse's data part system How inserts are processed and stored The role of background merge operations Comparison with traditional RDBMS insert operations Why ClickHouse's approach enables superior insert performance The video breaks down how" [YouTube Link](https://youtube.com/watch?v=vsykFYns0Ws) 2025-02-18T11:36Z 13.4K followers, [----] engagements "Introducing the new JSON data type in ClickHouse JSON data Type with Alexey Milovidov Founder @ ClickHouse Come join us at one of our amazing meetup groups this presentation is from our New York meetup on March 26th: https://www.meetup.com/clickhouse-new-york-user-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=xHj9mysh0GI) 2025-04-17T05:03Z 13.4K followers, [----] engagements "Lazy materialization in ClickHouse Discover the power of lazy materialization in ClickHouse [----] This game-changing optimization defers column reading for as long as possible making your top-end queries significantly more efficient especially when returning string columns in your results. We show you how lazy materialization works using a real Amazon Reviews dataset with [---] million rows. You'll see the performance difference when the optimization is enabled versus disabled and understand why this feature is particularly valuable for queries that use ORDER BY with LIMIT clauses. The demo runs" [YouTube Link](https://youtube.com/watch?v=xoYUHT_ISOU) 2025-06-06T16:12Z 13.4K followers, [----] engagements "Open House NYC: ClickHouse for AI/ML Zach Naimon Principal Product Manager at ClickHouse discusses the latest developments in agent-facing analytics and how ClickHouse supports. Session recording from Open House roadshow NYC [----]. https://clickhouse.com/openhouse/nyc ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=ykOwtwRKiNQ) 2025-10-22T14:30Z 13.4K followers, [---] engagements "Tesla-Scale Metrics with ClickHouse Alon Tal Senior Staff Software Engineer at Tesla talks about Comet Tesla's internal system built with ClickHouse for ingesting storing and querying metrics at massive scale. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse Tesla open source database observability log data ClickHouse Tesla open source database observability log data" [YouTube Link](https://youtube.com/watch?v=z5t3b3EAc84) 2025-06-11T15:19Z 13.4K followers, [----] engagements "Building real-time applications with ClickHouse Materialized Views Tristan Ahmadi Solutions Architect at ClickHouse ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=zUWRW9SzYXY) 2024-09-17T19:50Z 13.4K followers, [----] engagements "New SQL features in ClickHouse [-----] A quick example-driven look at three SQL additions in ClickHouse 25.10: a NULL-aware comparator end-of-result pagination that keeps ordering intact and a shorter way to limit rows per group. 🔸 IS NOT DISTINCT FROM for clear TRUE/FALSE results when NULLs appear 🔸 Negative LIMIT and OFFSET to pull the last N rows and browse backwards still in ascending order (property sales example) SQL-25.10-Take1 🔸 LIMIT BY ALL to de-duplicate repeated combos with a single keyword Release blog - https://clickhouse.com/blog/clickhouse-release-25-10 ClickHouse ClickHouse" [YouTube Link](https://youtube.com/watch?v=zfLyRys1IEc) 2025-11-27T15:35Z 13.4K followers, [----] engagements "An intro to Refreshable Materialized Views In this video we'll learn about Refreshable Materialized Views in ClickHouse. Refreshable materialized views are conceptually similar to materialized views in traditional OLTP databases. They store the result of a specified query for quick retrieval and reduce the need to repeatedly execute resource-intensive queries. 🟡 Docs - https://clickhouse.com/docs/en/materialized-view/refreshable-materialized-view Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=-KhFJSY8yrs) 2024-11-21T14:16Z 11.2K followers, [----] engagements "Saving million+ dollars with ClickHouse: Zomato's Logging Platform Journey - Amnol & Palash (Zomato) Anmol Virmani and Palash Goel discuss how Zomato has leveraged ClickHouse to optimize their logging platform resulting in significant cost savings and improved performance. Anmol Virmani is a software techie who thrives on tackling big challenges with a touch of fun. His expertise lies in solving complex problems with creative solutions maintaining an enjoyable journey throughout. Palash Goel is a Software Engineer with a keen interest in big data technologies and distributed systems. He is" [YouTube Link](https://youtube.com/watch?v=-KlAv2LRvzg) 2024-06-12T07:15Z [----] followers, [---] engagements "Real-time Fraud Detection with Yoda and ClickHouse - Shen Zhu (Instacart) This presentation was given at the ClickHouse Community Meetup in San Francisco - https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/296334923/ If you are interested in attending a future event please join a Meetup Group near you at https://www.meetup.com/pro/clickhouse To get started with ClickHouse visit https://clickhouse.com/ to download or start a free ClickHouse Cloud Trial" [YouTube Link](https://youtube.com/watch?v=-c-AVMlRGlY) 2023-11-30T14:13Z [----] followers, [---] engagements "Powering the Energy Transition with ClickHouse Analytics - Nicolas Vecoven Haulogoy This presentation was delivered at the ClickHouse Meetup in Gent Belgium If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse" [YouTube Link](https://youtube.com/watch?v=-gCET0FgQaI) 2025-03-21T01:35Z 11.1K followers, [--] engagements "Using ClickHouse for Fun and Profit - Haroen Vermylen CTO Luzmo This presentation was delivered at the ClickHouse Meetup in Gent Belgium If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse" [YouTube Link](https://youtube.com/watch?v=-r0AWxltj7A) 2025-03-21T01:32Z 11K followers, [---] engagements "ClickHouse NYC Meetups: Luzmo Haroen Vermylen CTO & Founder @ Luzmo. See how they are using ClickHouse as a swiss army knife for their use case. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on March 26th: https://www.meetup.com/clickhouse-new-york-user-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=-u9miZpeq20) 2025-04-15T15:03Z 11.8K followers, [---] engagements "Observability with ClickHouse (Boris Tane Baselime.io) A "behind the scenes" view into building an observability solution with ClickHouse. This presentation was given at the ClickHouse community meeutp in London - https://www.meetup.com/clickhouse-london-user-group/events/292892824/ The slides are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup75" [YouTube Link](https://youtube.com/watch?v=00gW8txIP5g) 2023-06-06T16:27Z 10.3K followers, [----] engagements "Managing ClickHouse Dictionaries at Cloudflare James Morrison of Cloudflare discusses managing ClickHouse dictionaries at scale. He traces its history at Cloudflare and details how these essential tools for data queries have evolved in size and source. #clickhouse #logging" [YouTube Link](https://youtube.com/watch?v=0A8nTASRERo) 2023-09-27T11:25Z 11.4K followers, [----] engagements "ClickHouse v22.06 Release Webinar" [YouTube Link](https://youtube.com/watch?v=0fSp9SF8N8A) 2022-06-16T17:18Z [----] followers, [----] engagements "Accelerate Data Analytics: Cloudflare's Implementation of ClickHouse - Harunobu Kameda (Cloudflare) Cloudflare Japan CloudflareClickHouse This presentation was given at the ClickHouse meetup in Tokyo on June [--] [----]. The presentation is delivered in Japanese with English subtitles. The slides can be found at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup112" [YouTube Link](https://youtube.com/watch?v=0iGuTTJdeEM) 2024-08-14T07:57Z [----] followers, [---] engagements "Observability and Real-Time insights in Biodiversity Data - Rudi Broekhuizen Naturalis Museum This presentation was delivered at the ClickHouse Meetup in Amsterdam. If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse" [YouTube Link](https://youtube.com/watch?v=0u6DLeKiEz8) 2025-03-31T05:41Z [----] followers, [---] engagements "ClickHouse [--] [----] . ( 1)" [YouTube Link](https://youtube.com/watch?v=16ukmxo0HOI) 2019-12-11T16:54Z [----] followers, [--] engagements "ClickHouse Community Call & [-----] Release" [YouTube Link](https://youtube.com/watch?v=1HJdjOH4Eis) 2023-12-05T17:01Z [----] followers, [----] engagements "ClickHouse: - [--] 2020" [YouTube Link](https://youtube.com/watch?v=1LVJ_WcLgF8) 2020-10-01T21:06Z [----] followers, [--] engagements "Ingesting data from Redpanda into ClickHouse In this video we'll learn how to ingest data from RedPanda into Clickhouse using Clickhouse's Kafka engine. The tutorial guides viewers through setting up a RedPanda streaming data platform creating a topic for wiki events and using the rpk and kcat tools to administer and ingest data into Redpanda. We also learn how to setup ClickHouse to ingest streaming data and run a couple of queries to identify frequent updaters and differentiate between bots and humans. #DataEngineering #RedPanda #Clickhouse #Kafka #StreamingData #BigDataAnalytics. RedPanda" [YouTube Link](https://youtube.com/watch?v=1O27sis1nLE) 2023-12-01T14:00Z 10.9K followers, [----] engagements "ClickHouse Meetup Athens" [YouTube Link](https://youtube.com/watch?v=1UIl7FpNo2M) 2020-03-05T19:36Z [----] followers, [---] engagements "HEX + ClickHouse - Building Real-time Analytics Apps at Scale HEX + ClickHouse - Building Real-time Analytics Apps at Scale #realtimeanalytics #clickhouse" [YouTube Link](https://youtube.com/watch?v=1YAX03s8Rss) 2023-08-03T14:16Z [----] followers, [----] engagements "ClickHouse ClickHouse Architecture and Use Cases 2025123ClickHouse Meetup : https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-tokyo-1/Talk%201%20-%20ClickHouse%20Architecture%20-%20Tokyo%20Meetup_23Jan25.pdf ClickHouse ClickHouse ClickHouse _____________ This presentation was given at the ClickHouse meetup in Tokyo on January [--] [----]. The presentation is in Japanese. Slides can be found here: https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-tokyo-1/Talk%201%20-%20ClickHouse%20Architecture%20-%20Tokyo%20Meetup_23Jan25.pdf ClickHouse" [YouTube Link](https://youtube.com/watch?v=2Ci_8q53gPk) 2025-03-01T07:41Z [----] followers, [--] engagements "Funnel Analysis with ClickHouse In this video we'll learn about conducting funnel analysis using ClickHouse. With the help of a UK weather dataset we'll explore the UK's changeable weather searching for the number of times that different combinations of weather conditions have happened over the last few years. #Clickhouse #DataAnalysis #FunnelAnalysis #WeatherData #DataScience #programming windowFunnel documentation - https://clickhouse.com/docs/en/sql-reference/aggregate-functions/parametric-functions#windowfunnel Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=2RlODumivgk) 2024-01-02T16:38Z 11.2K followers, [----] engagements "What-If energy cost analysis with Streamlit and ClickHouse In this video we'll learn how to build an interactive Streamlit application using chdb to analyze household energy usage data. We'll generate plot.ly charts showing the cost of energy usage over the last year as well as doing what-if analysis to compare energy costs across timeframes and tariffs. #ClickHouse #chdb #streamlit #plotly Resources: Code - https://github.com/ClickHouse/clickhouse-recipes/blob/main/recipes/streamlit-chdb/README.md chDB - https://github.com/chdb-io/chdb Streamlit - https://streamlit.io/ plot.ly -" [YouTube Link](https://youtube.com/watch?v=2Tra0DU1tfM) 2024-01-18T15:46Z 10.5K followers, [----] engagements "The State of SQL Observability - Pradeep Chhetri (ClickHouse) This presentation was given at the ClickHouse meetup in Singapore on July [--] [----]. The slides can be found at https://clickhou.se/the-state-of-sql-o11y-pradeep-chhetri-jul2024 The State of SQL-Based Observability Many successful paradigms in engineering and computer science are the result of two distinct approaches colliding with each other leading to broader and more powerful applications. In this talk well look at the parallel backgrounds of two established paradigms: SQL and Observability. Well be tracing back the history of" [YouTube Link](https://youtube.com/watch?v=2j4IKi8zFno) 2024-07-18T07:02Z [----] followers, [---] engagements "San Francisco March [----] Meetup: Nuon Presented by Fred Diego Lead Engineer & Jon Morehouse Founder CEO @ Nuon. See how they are leveraging ClickHouse for their OTEL use case. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 19th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #observability #otel Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=2rHfWt6epIQ) 2025-04-15T04:35Z 10.1K followers, [---] engagements "The Path to (Gen)AI Adoption - Bas Dudink Denodo This presentation was delivered at the ClickHouse Meetup in Amsterdam. If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse" [YouTube Link](https://youtube.com/watch?v=31yr-MItu04) 2025-03-31T05:38Z [----] followers, [--] engagements "Alexey Milovidov @ San Francisco March [----] Meetup: Building Analytics Applications on ClickHouse Presented by Alexey Milovidov Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 12th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse" [YouTube Link](https://youtube.com/watch?v=35wpC_AOp6w) 2025-03-26T01:24Z 11.7K followers, [---] engagements "ClickHouse Online Meetup China June [--] 2021: JIT in ClickHouse by Maksim Kita Yandex" [YouTube Link](https://youtube.com/watch?v=37Ed9XjrYKU) 2021-07-07T15:00Z [----] followers, [---] engagements Limited data mode. Full metrics available with subscription: lunarcrush.com/pricing
@clickhousedb ClickHouse
ClickHouse posts on YouTube about clickhouse, events, data, $3288t the most. They currently have [------] followers and [---] posts still getting attention that total [------] engagements in the last [--] hours.
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- [--] Week [------] -18%
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- [--] Week [--] -4%
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Social Influence
Social category influence travel destinations technology brands finance countries stocks social networks events fashion brands automotive brands currencies
Social topic influence clickhouse #2, events, data #626, $3288t, how to, ai, amsterdam, performance, realtime, github
Top accounts mentioned or mentioned by @clickhousecom @grafana @4gb @scale @tbragincraftingtherightproductledgrowthplgstrategyforyourstartup419be2e09376
Top assets mentioned Alphabet Inc Class A (GOOGL) Cloudflare, Inc. (NET)
Top Social Posts
Top posts by engagements in the last [--] hours
"VLDB [----] - ClickHouse: Lightning Fast Analytics for Everyone From 50th International Conference on Very Large Databases in Guangzhou China - August 26-30 [----] https://vldb.org/2024/program-schedule Paper is published here https://www.vldb.org/pvldb/vol17/p3731-schulze.pdf In the video Alexey Milovidov creator of ClickHouse presents "ClickHouse - Lightning Fast Analytics for Everyone" academic paper he co-authored with Robert Schulze Tom Schreiber Ilya Yatsishin Ryadh Dahimene. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse vldb ClickHouse vldb"
YouTube Link 2024-08-30T02:10Z 13.4K followers, 10.7K engagements
"Authenticating in ClickHouse with an SSH Key In this video we're looking at how to connect to Clickhouse using SSH keys a feature introduced in Clickhouse [----]. We'll walk through user setup SSH key generation and discuss the benefits of this method. We'll also touch on using config files for easier access. Release blog: https://clickhouse.com/blog/clickhouse-release-23-09 Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2023-11-03T17:00Z 13.4K followers, 10.1K engagements
"An intro to column-based storage In this video we explore column storage the backbone of column stores or column databases like ClickHouse. We compare the concept to the more familiar row-based storage used in many relational databases using a practical example of weather data to illustrate the differences. Column storage isn't just a different way to organize data; it's a game-changer for analytical queries and data compression. We'll explore why this approach is particularly well-suited for modern data analysis needs and how it aligns with current CPU architectures. Key points covered: 🔸"
YouTube Link 2025-08-29T14:33Z 13.4K followers, [----] engagements
"How to Get Started with ClickHouse Download ClickHouse run the server connect to it using the client create a table based on a file in S3 ingest that data into your table and write some queries. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Quick Start Documentation: https://clickhouse.com/docs/en/getting-started/quick-start ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification Don't forget to give us a on Github"
YouTube Link 2023-09-05T17:44Z 13.4K followers, 37.7K engagements
"Lovable: The Fastest Growing Software Company in History & How ClickHouse Powers It Lovable scaled from $100M to $200M ARR in just [--] monthsthe fastest growth trajectory in software history. At Open House Amsterdam Thomas Nordstrom revealed how ClickHouse makes this possible. What You'll Learn: 🔍 Observability at Scale Using OpenTelemetry Lovable captures logs and traces from Cloudflare workers Kubernetes and more loading everything into ClickHouse. ClickHouse delivers right throughput and lightning-fast queries across billions of events. 🤖 AI Debugging Edge cases are notoriously difficult"
YouTube Link 2026-02-12T15:11Z 13.4K followers, [----] engagements
"Parsing dates and datetimes in ClickHouse Parsing dates and datetimes is one of those things you'll do constantly in ClickHouse and there are actually quite a few different approaches depending on your data format. In this tutorial we walk through five practical methods for handling everything from Unix timestamps to messy string formats that you might get from APIs or legacy systems. 🔸 Converting Unix timestamps (seconds milliseconds and microseconds) 🔸 Parsing numeric date formats from legacy databases and mainframes 🔸 Handling datetime strings with known formats using MySQL and JODA"
YouTube Link 2026-02-12T15:10Z 13.4K followers, [---] engagements
"How Netflix ingests [--] Million events per second with ClickHouse Netflix processes a staggering five petabytes of observability data dailythat's [----] million events per second flowing into ClickHouse. At a ClickHouse meetup in March [----] Netflix's Daniel Muino shared three hard-won lessons from building and scaling their observability platform. These aren't theoretical best practices; they're real solutions to real problems encountered at massive scale. 🔸 Going low-level when you need to - Netflix ditched JDBC batch inserts for custom native protocol encoding because sometimes the"
YouTube Link 2025-11-27T10:09Z 13.4K followers, 97.4K engagements
"What Is ClickHouse "ClickHouse is an open-source column-oriented DBMS for online analytical processing that allows users to generate analytical reports using SQL queries in real-time. " Amazing but what does that mean In this video we answer as many of your questions as we can (in [--] mins) and share some examples of using ClickHouse directly. If you want to read more about the use cases for ClickHouse you can find more detail at - https://clickhouse.com/use-cases For convenience we have captured many of our user stories at - https://clickhouse.com/blogcategory=customer-stories And if you want"
YouTube Link 2023-07-05T14:07Z 13.4K followers, 55.3K engagements
"ClickHouse [----] user stories This year over [--] organizations shared how they run ClickHouse in production from fast-growing startups to global enterprises with massive workloads. Those stories represent just a slice of the thousands of organizations building with ClickHouse today. Thank you for trusting ClickHouse with your toughest data challenges. :yellow_heart: Explore the stories https://clickhouse.com/user-stories ClickHouse ClickHouse"
YouTube Link 2025-12-19T19:13Z 13.4K followers, 454.5K engagements
"How Primary Keys Work in ClickHouse Primary keys in ClickHouse are not what you're used to in other DBMSs. Picking a good primary key for your MergeTree tables is critical in optimizing query performance so it's important to understand how they work. We include an explanation of the primary index and granules. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification ClickHouse tutorial"
YouTube Link 2023-09-05T17:53Z 13.4K followers, 17.1K engagements
"Building Real-time Applications with ClickHouse Materialized Views Dale McDiarmid from ClickHouse explored the concept of building real-time applications using materialized views. Emphasizing ClickHouse's strength in handling fast queries across billions of rows he explained how materialized views can be used to summarize data significantly enhancing query performance. #realtimeanalytics #clickhouse Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2023-09-27T11:25Z 13.4K followers, 21.6K engagements
"How Anthropic Uses ClickHouse for Observability at Scale Discover how Anthropic the company behind the Claude AI models solved its massive observability challenges using ClickHouse 🚀 When Claude [--] and Claude [---] launched explosive user adoption completely overwhelmed Anthropic's observability systems. Their database was struggling queries were timing out and costs were skyrocketing. They needed a solution that could handle huge data volumes in real-time while enabling fast interactive analytics. In this video we dive into Maruth Goyal's fascinating talk from the ClickHouse Open House"
YouTube Link 2025-10-14T10:15Z 13.4K followers, 244.2K engagements
"Intro to JupySQL with chDB This video will teach us how to use JupySQL with chDB an embedded in-process version of ClickHouse. 🟡 Documentation - https://clickhouse.com/docs/en/chdb/guides/jupysql 🟡 chDB - https://clickhouse.com/docs/en/chdb 🟡 JupySQL - https://jupysql.ploomber.io/en/latest/integrations/chdb.html"
YouTube Link 2024-08-23T10:23Z 13.2K followers, [----] engagements
"Clickhouse Denver Meetups Streamfold Presented by Mike Heffner @ Streamfold Come join us at one of our amazing meetup groups this presentation is from our Denver meetup on september 22nd: https://www.meetup.com/clickhouse-denver-user-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-11-25T15:00Z 13.2K followers, [---] engagements
"ClickHouse Melbourne Meetup: Buildkite This talk was presented in Melbourne by Buildkite's Staff Engineer Gordon Chan. Meetup Page: https://www.meetup.com/clickhouse-melbourne-user-group/events/310761395/ Title: Buildkite's ClickHouse journey: [--] months later Abstract: Six months after their initial exploration Buildkite's Test Engine product evolved into a more powerful test analytics platform by leveraging ClickHouse. Gordan showcased the next chapter of their journey: unlocking new analytical capabilities for their customers and achieving significant cost savings. Real-world insights from"
YouTube Link 2025-10-28T02:58Z 13.2K followers, [---] engagements
"ClickHouse: AI chat bot built by Memorial Sloan Kettering Presented by Ino de Bruijn - Ino-of-all-trades @ cBioPortal at the ClickHouse New York Meetup. This presentation is from our New York meetup on December 8th. Come join us at one of our upcoming meetups: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2026-01-09T05:10Z 13.4K followers, [---] engagements
"LogHouse - Observability for ClickHouse Cloud (ClickHouse Cloud Live Update - April 2025)"
YouTube Link 2025-04-18T03:59Z 13.3K followers, [----] engagements
"ClickHouse v23.2 Release Webinar ClickHouse [----] is here NTILE Window Function support Partition Key for GROUP By io_uring Apache Iceberg support Dynamic Disks integrations updates This is not a release call you want to miss. ## Contents 0:00:00 Welcome & Introductions 0:05:50 ClickHouse Release v23.2 0:06:43 NTILE Window Function 0:09:44 corrMatrix 0:15:19 generateULID 0:17:28 arrayShuffle and arrayPartialSort 0:19:24 Out-of-band FINAL Setting 0:21:10 Metrics in system.part_log 0:23:12 Partition Key for GROUP BY 0:29:17 Multi-Stage PREWHERE 0:32:28 io_uring 0:38:37 Apache Iceberg support &"
YouTube Link 2023-02-23T18:21Z 13.3K followers, [----] engagements
"ClickHouse Seattle Meetups: ThriveStack Come learn how ClickHouse is used under the hood at Thrivestack.ai from Gururaj Pandurangi founder at ThriveStack. Come join us at one of our amazing meetup groups this presentation is from our Seattle meetup on May 20th: https://www.meetup.com/clickhouse-seattle-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-06-06T03:59Z 13.3K followers, [---] engagements
"ClickHouse Mumbai Meetup - Auditzy This talk was presented at the ClickHouse Mumbai meetup on July [--] by Mayank Joshi Co-Founder & CTO of Auditzy. More information can be found at https://www.meetup.com/clickhouse-mumbai-user-group/events/308558476/ From Slow Queries to Sub-Second Insights: Auditzys ClickHouse Migration Journey At Auditzy we recently migrated our real user monitoring analytics engine from PostgreSQL to ClickHouse to keep up with growing data and performance demands. In this talk Ill share what pushed us to explore ClickHouse how we approached the migration and the impact it"
YouTube Link 2025-09-19T12:15Z 13.3K followers, [---] engagements
"ClickHouse Internal Data Warehouse Mihir Gorkale Product Manager at ClickHouse shares how ClickHouse is running our internal data warehouse on ClickHouse and tools we use for dashboarding and Agentic BI. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database data warehousing agentic BI ClickHouse open source database data warehousing agentic BI"
YouTube Link 2025-06-11T15:19Z 13.3K followers, [---] engagements
"An intro to ClickHouse for Postgres Developers This video introduces ClickHouse for Postgres developers and compares key differences between these powerful database systems. Learn how these technologies complement each other through their contrasting strengthsPostgres excels at transactional workloads with row-based storage while ClickHouse specializes in analytical workloads with column-based storage. Discover the fundamental differences in: 🔸Data storage and access patterns 🔸Update/delete operations 🔸Indexing and primary keys 🔸Table configuration and engines The video also demonstrates"
YouTube Link 2025-05-19T14:50Z 13.3K followers, [----] engagements
"How ClickHouse powers Langfuse V3 Presented by Clemens Rawert Cofounder @ Langfuse at our Los Gatos Meetup at the Netflix Theater. See how Langfuse is using ClickHouse in their V3 Deck is here: https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-losgatos/Clickhouse%20Meetup_%20Langfuse%20.pptx Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 12th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #ai Don't forget to give us a on Github"
YouTube Link 2025-03-26T01:06Z 13.3K followers, [---] engagements
"Building the future of reporting at Rokt - Vadim Semenov (Rokt) This talk was given at the ClickHouse Community Meetup in Manhattan on December [--] [----] - https://www.meetup.com/clickhouse-new-york-user-group/events/289403909/ The presentation materials are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup67"
YouTube Link 2023-01-18T13:11Z 13.3K followers, [---] engagements
"Vector Search in ClickHouse (Linear Scan) In this video we'll learn how to perform vector search in ClickHouse using linear scan. We'll be using a Hugging Face dataset that contains [--] million Wikipedia entries embedded into [----] dimension vectors. After ingesting the dataset we'll learn how to find similar items using the cosine similarity function and then we'll use the tokens and arrayShingles functions to find the most popular phrases that are close to a provided embedding. Dataset - https://huggingface.co/datasets/Qdrant/dbpedia-entities-openai3-text-embedding-3-large-1536-1M Video for"
YouTube Link 2024-02-23T13:35Z 13.3K followers, [----] engagements
"The ClickHouse Backup database engine Learn about ClickHouse's Backup Database Engine introduced in version [----]. This tutorial demonstrates how to use this powerful feature which allows you to instantly attach tables or databases from backups in read-only mode and supports both incremental and non-incremental backups. The video covers: 🔸 Setting up backup configuration in ClickHouse 🔸 Creating and managing database backups 🔸 Attaching backed-up databases using the backup engine 🔸 Comparing data between different backup versions 🔸 Working with incremental backups Using a practical"
YouTube Link 2025-03-21T14:22Z 13.3K followers, [----] engagements
"How Common Table Expressions (CTEs) Work in ClickHouse Learn how to use common table expressions (CTEs) in ClickHouse including how to use a query result as a CTE. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2023-09-05T17:58Z 13.3K followers, [----] engagements
"ClickHouse JSON Type for Observability: Faster Queries on Semi-Structured Data Presented by Mike Shi ClickStack Product Manager @ ClickHouse and Founder of HyperDX at our Los Gatos Meetup at the Netflix Theater. See what the future of ClickHouse holds for observability workloads. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on July 10th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #observability #logs #events #traces Don't forget to give us a on Github"
YouTube Link 2025-07-29T11:54Z 13.3K followers, [----] engagements
"Projections as secondary indices Looking to speed up your ClickHouse queries without doubling your storage costs In this tutorial we dive into lightweight projections a feature introduced in ClickHouse [----] that gives you the performance benefits of secondary indices without the hefty storage overhead. Instead of duplicating entire tables as traditional projections do lightweight projections only store the sort key columns plus an offset column that points back to the original data. We'll walk through a practical comparison using [--] million rows of UK property sales data testing three"
YouTube Link 2026-01-15T11:20Z 13.4K followers, [---] engagements
"Chasing Billions: Real-Time Blockchain Forensics with Merkle Science + ClickHouse At Merkle Science ClickHouse is at the core of how we make sense of billions of blockchain transactions in real time. From tracking wallets and following funds to spotting anomalies across chains it gives investigators sub-second answers at scale. Learn from Akshay Gupta Lead Data Engineer and Priyanshu Sehgal Sr. Data Engineer at Merkle Science on how they deployed ClickHouse Cloud to seamlessly power both always-on monitoring and deep-dive forensics while also keeping our systems and pipelines running"
YouTube Link 2025-11-06T07:34Z 13.3K followers, [---] engagements
"Polygon Dictionaries in ClickHouse In this video we'll learn about polygon dictionaries in ClickHouse which we can use for efficient geospatial querying. We demonstrate this feature with help from a GeoJSON dataset of polygons for every country in the world. Having loaded that data we then show how to work out which country a lat/long point belongs to using a brute force approach before speeding things up with a polygon dictionary. #clickhouse #gis Country Polygons as GeoJSON - https://datahub.io/core/geo-countries Dictionaries - https://clickhouse.com/docs/en/sql-reference/dictionaries"
YouTube Link 2024-02-08T14:49Z 13.3K followers, [----] engagements
"A table engine for partial updates. The ClickHouse Merge Tree family just got a new member and it's pretty exciting In this video we dive into the Coalescing Merge Tree engine a fresh addition designed to handle partial row updates efficiently. If you've ever wanted to keep only the most up-to-date and complete version of each entity in your data without the overhead of full row overwrites this engine might be what you're looking for. We'll walk you through: 🔸 How the Coalescing Merge Tree engine works and when to use it 🔸 A practical example using electric car telemetry data 🔸 Creating"
YouTube Link 2025-08-11T08:52Z 13.3K followers, [----] engagements
"ClickHouse for Big Query developers This video provides some tips for Big Query developers when using ClickHouse. BigQuery vs ClickHouse Cloud: Equivalent and different concepts - https://clickhouse.com/docs/en/migrations/bigquery"
YouTube Link 2024-10-03T13:06Z 13.3K followers, [---] engagements
"Introducing ClickStack: The Future of Observability on ClickHouse"
YouTube Link 2025-07-08T16:14Z 13.3K followers, [----] engagements
"Working with Arrays in ClickHouse In this video we'll learn all about working with arrays in ClickHouse. Starting with an overview of the array functions documentation we dive into practical examples using a weather measurements dataset. Key topics include querying grouping and manipulating arrays to extract valuable insights like maximum and minimum temperatures weather conditions and more. The functions covered in this video include array_slice array_max array_min array_filter array_join array_flatten array_compact and array_distinct. #ClickHouse #DataAnalysis Arrays documentation -"
YouTube Link 2023-12-20T17:14Z 13.3K followers, [----] engagements
"Transforming log data with ClickHouse materialized views In this video we'll learn how to transform log entries using ClickHouse materialized views. We start with a bunch of log files in S3 and then show how to pull out the individual components using a regular expression and store them in a MergeTree table. We conclude by seeing that our solution can also handle any new files added to the S3 bucket. #DataTransformation #ClickHouse #MaterializedViews #LogAnalysis #S3Bucket #DataEngineering #SQL #bigdata Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2024-01-05T14:06Z 13.3K followers, [----] engagements
"Kafka & ClickHouse - Peter Marton (Openmeter) This presentation was given at the ClickHouse Community Meetup in San Francisco - https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/296334923/ If you are interested in attending a future event please join a Meetup Group near you at https://www.meetup.com/pro/clickhouse To get started with ClickHouse visit https://clickhouse.com/ to download or start a free ClickHouse Cloud Trial"
YouTube Link 2023-11-30T14:11Z 13.3K followers, [----] engagements
"ClickHouse Jakarta Meetup - Verihubs This talk was delivered live at the ClickHouse Jakarta meetup on December [--] at GoWork Plaza Indonesia by Ray Antonius Software Engineering Lead at Verihubs. The full agenda can be found at https://www.meetup.com/clickhouse-indonesia-user-group/events/311988089/ Supercharging Verihubs Data Warehousing with ClickHouse As a startup Verihubs always looked into new ways of improving their systems: both in terms of performance and cost. Ray Antonius Software Engineer Lead shared their data warehousing journey that started with PostgreSQL - slow clunky and"
YouTube Link 2026-01-09T15:31Z 13.4K followers, [--] engagements
"ClickHouse v25.9 Release Webinar"
YouTube Link 2025-09-25T15:34Z 13.3K followers, [----] engagements
"ClickHouse Performance Tuning for Petabyte Logs: 2x Faster High-Cardinality Queries Presented by Daniel Muino Software Engineer @ Netflix at our Los Gatos Meetup at the Netflix Theater. See how Netflix stores Petabytes a day of operational logs with reasonable cost and lightning fast query speed using ClickHouse. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on July 10th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #observability #logs Don't forget to give us a on Github"
YouTube Link 2025-07-29T11:41Z 13.3K followers, [----] engagements
"ClickHouse Jakarta Meetup - Electrum This talk was delivered live at the ClickHouse Jakarta meetup on December [--] at GoWork Plaza Indonesia by Andi Pangeran Head of Software Engineering at Electrum. The full agenda can be found at https://www.meetup.com/clickhouse-indonesia-user-group/events/311988089/ ClickHouse Meets Iceberg: A Practical Look Beyond the Hype Iceberg promises a low-cost open table format with schema evolution and object storage as the data warehouse. But Iceberg adds operational complexity that not every workload needs. In this talk Andi Pangeran Head of Software Engineering"
YouTube Link 2026-01-09T15:39Z 13.4K followers, [---] engagements
"ClickHouse SF Meetups Keywords AI Presented by Raymond Huang - Co-Founder & CTO @ Keywords AI Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-12-17T05:49Z 13.4K followers, [--] engagements
"ClickHouse NYC Meetups: Braze Presented by Caleb Severn Engineering Manager @ Braze. See how they compare snowflake and mongodb to ClickHouse. They use ClickHouse to manage their customer facing analytics. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on March 26th: https://www.meetup.com/clickhouse-new-york-user-group #programming #clickhouse #database #analytics Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-04-15T14:53Z 13.3K followers, [---] engagements
"ClickHouse v25.7 Release Webinar Join us for an in-depth look at ClickHouse v25.7 This comprehensive webinar covers all the major new features performance improvements and exciting additions to the ClickHouse ecosystem. 🚀 What's New in v25.7 🔸Major Features: Lightweight Updates - Full UPDATE statement support with 23x faster performance than traditional mutations Iceberg Integration - Now supports INSERT operations into Apache Iceberg tables ClickHouse Client Agent - AI-powered SQL generation using natural language (OpenAI Anthropic Gemini support) [---] Data Formats - New system.formats"
YouTube Link 2025-07-24T16:56Z 13.3K followers, [----] engagements
"Getting Started with ClickHouse Cloud What is ClickHouse and how-to get started in ClickHouse Cloud. https://clickhouse.com/cloud Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2022-10-04T12:25Z 13.3K followers, [----] engagements
"Materialized Views and Projections Under the Hood This video looks under the hood of Materialized Views and Projections in ClickHouse and explains how automatic incremental data transformation works in ClickHouse. For more like this go take our free training in ClickHouse Academy: https://learn.clickhouse.com/visitor_class_catalog. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2023-01-31T16:05Z 13.3K followers, 30.2K engagements
"The True Cost of Speed: What Query Performance Really Costs at Scale Comparing cloud data warehouse costs is harder than it looks. Different platforms meter scale and bill compute in fundamentally different ways which makes price lists misleading. Instead of arguing about list prices or pricing tiers this webinar shows that efficiency is the real currency. Tom Schreiber and Lio Palacin break down how Snowflake Databricks ClickHouse Cloud BigQuery and Redshift charge for compute then share benchmark results at 1B 10B and 100B rows using our reproducible Bench2Cost method to translate runtimes"
YouTube Link 2026-02-03T23:04Z 13.4K followers, [---] engagements
"ClickHouse Pune Meetup - ClickHouse & Kafka This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Rakesh Puttaswamy ClickHouse Principal Solution Architect & Siddesh Vyavahare Confluent Solutions Engineer. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ Maximising Analytics with ClickHouse and Kafka Integration This session will explore how to build a scalable real-time analytics solution by integrating ClickHouse a high-performance columnar database with Kafka a distributed streaming platform."
YouTube Link 2025-12-11T13:30Z 13.4K followers, [--] engagements
"Visualizing ClickHouse Data with Superset Visualizing data can often have the biggest impact when it comes to understanding large datasets. Continuing our series of videos about visualizing data in ClickHouse. Second up Superset. This associated blog post for this video can be found at https://clickhouse.com/blog/visualizing-data-with-superset. Here's some useful links: A ClickHouse Cluster with the datasets used you to explore - https://play.clickhouse.com/playuser=explorer Download Superset - https://superset.apache.org/ ClickHouse Cloud Free Trial -"
YouTube Link 2023-02-10T14:48Z 13.3K followers, [----] engagements
"Announcing the official GA release of the ClickHouse plugin for Metabase The ClickHouse plugin for Metabase is now GA and available in Metabase Cloud. Dale and Ryadh discuss the value of this integration and provide a short demo in preparation for the webinar on the 7th March. Note: In the video we mention the webinar as being on the 8th March. It has now been moved forward to the 7th. Register here: https://clickhouse.com/company/events/2023-03-07-metabase-clickhouse-webinarutm_source=youtube&utm_medium=social&utm_campaign=webinar"
YouTube Link 2023-02-15T16:26Z 13.3K followers, [----] engagements
"ClickStack: Unifying Logs Metrics & Traces on ClickHouse for Petabyte-Scale Observability This webinar was presented live on September [--] by Mike Shi Co-Founder of HyperDX and PM for Observability at ClickHouse where he introduced ClickStack an open-source observability platform built on ClickHouse HyperDX and OpenTelemetry. The webinar covered: - Why traditional observability is broken - How ClickHouse's architecture solves the cost-performance-search trilemma in observability - Live demo: Incident investigation with ClickStack - Q&A with Mike Shi ClickStack is a high-performance open-source"
YouTube Link 2025-09-24T04:14Z 13.3K followers, [---] engagements
"ClickHouse SF Meetup Pump.co Presented by Joel Walker Founding Software Engineer at pump.co. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on August 26th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-09-09T14:52Z 13.3K followers, [---] engagements
"Quadrillion-scale observability at Tesla In this fascinating video we dive into Tesla's groundbreaking approach to observability using ClickHouse. Learn how the electric vehicle giant tackled the challenge of monitoring millions of sensors across factories employees and connected vehicles worldwide. We'll explore the impressive stress test that pushed ClickHouse to ingest one quadrillion rows and why Tesla chose this powerful database for their critical operations. Key points covered: 🔸 Tesla's five key requirements for their observability system 🔸 Why Prometheus couldn't meet their needs"
YouTube Link 2025-10-07T16:34Z 13.3K followers, 174.6K engagements
"Lakehouse with ClickHouse (Open House) Melvyn Peignon Principal Product Manager at ClickHouse discusses how ClickHouse is evolving to be the query engine of choice on top of data lakes. Session recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse"
YouTube Link 2025-06-11T15:18Z 13.3K followers, [---] engagements
"Visualizing ClickHouse Data with Grafana Visualizing data can often have the biggest impact when it comes to understanding large datasets. Here is the first in a series of videos about visualizing data in ClickHouse. First up @Grafana This associated blog post for this video can be found at https://clickhouse.com/blog/visualizing-data-with-grafana. Contents: - Introduction to ClickHouse and Grafana - Connecting Grafana to ClickHouse 1:27 - A simple line chart 2:38 - A multi-line chart 4:06 - A candlestick chart 5:06 - A geo map chart 6:19 - Visualizing JSON logs in Explore 7:33 The main blog"
YouTube Link 2022-11-02T21:09Z 13.3K followers, 12.7K engagements
"Clickhouse SF Meetups Alexey Presented by Alexey Milovidov - Founder @ ClickHouse Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-12-17T05:49Z 13.4K followers, [---] engagements
"ClickHouse Meetup SF 1X Presented by Vlad Lialin Research Engineer at 1X. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on August 26th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-09-09T14:50Z 13.3K followers, [---] engagements
"ClickHouse Pune Meetup - Manthhan Softwares This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Amit Sanjay Sadafule Co-founder and Head of Technology at Manthhan Softwares. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ Sparse data storage and query patterns in ClickHouse Finding storage schema for sparse data that works "well" is tricky. This talk is about exploring the "right" schema to store sparse data in ClickHouse. Speaker will share challenges with sparse data and how ClickHouse helped to"
YouTube Link 2025-12-11T13:34Z 13.4K followers, [--] engagements
"ClickHouse Pune Meetup - NetScout This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Ajit Bhat Engineering Manager & Afzal Khan Principal Software Engineer at Netscout. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ ClickHouse for network and applications analytics data for Cyber Security The modern IP network and applications hosted by the modern enterprises create large amounts of the network data. The IP packets-based data is the ultimate truth that we believe in. The size of the enterprise/s"
YouTube Link 2025-12-11T13:43Z 13.4K followers, [--] engagements
"ClickHouse Query Tuning for Observability: Balancing Index Granularity and Cost SolarWinds is a leading provider of simple powerful secure observability and IT management software. Clickhouse powers real-time insights and longer-term analytics on observability data throughout our SaaS products. Come join us at one of our amazing meetup groups this presentation is from our austin meetup https://www.meetup.com/clickhouse-austin-user-group #programming #clickhouse #observability #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse A custom observability platform"
YouTube Link 2024-12-10T19:23Z 13.3K followers, [---] engagements
"The ClickHouse JSON data type This tutorial demonstrates how to use the production-ready JSON data type introduced in ClickHouse [----]. Using the Blue Sky dataset with [---] million records we show you how to: Create tables that handle JSON data effectively Query nested JSON structures with proper syntax Use the caret () symbol to access subcolumns Apply type hints to improve query performance Save storage space with the skip_regex option We compare performance across different table configurations showing how properly configured JSON tables can significantly reduce query times in some cases"
YouTube Link 2025-04-29T12:35Z 13.3K followers, [----] engagements
"ClickHouse [----] adds GeoParquet support This video explores an exciting new feature introduced in ClickHouse 25.7: the ability to read and write geotypes when working with Parquet files. We'll explore how this functionality works demonstrate its practical applications and even examine a real-world dataset from Overture maps. Throughout the tutorial we'll cover: 🔸 Writing various geotypes to a Parquet file and examining the results 🔸 Understanding the limitations of Geo type support in Parquet particularly with ring types 🔸 Using the 'parq' tool to inspect Parquet file metadata 🔸 Working"
YouTube Link 2025-09-16T10:03Z 13.3K followers, [---] engagements
"ClickHouse Sydney Meetup: ClickHouse & Confluent This talk was presented at the ClickHouse + Confluent meetup in Sydney on June [--] You can find more information at https://www.meetup.com/clickhouse-australia-user-group/events/308248552/ Maximising Analytics with ClickHouse and Kafka Integration Johnny Mirza from ClickHouse and Ravi Bhardwaj from Confluent talked about building a scalable real-time analytics solution by integrating ClickHouse a high-performance columnar database with Kafka a distributed streaming platform. ClickHouse excels at fast ingestion and analytical querying of"
YouTube Link 2025-08-26T02:39Z 13.3K followers, [---] engagements
"Merge-time computation Why is ClickHouse fast (Part 3) This video explores how ClickHouse optimizes performance by moving data transformations to background merge operations keeping read and write paths efficient. Key points covered: Different MergeTree Engine Types (Standard Replacing Aggregating) Time-To-Live (TTL) Processing Background Merge Operations High Write Throughput Benefits The video demonstrates how ClickHouse performs better by handling complex data transformations during background merges rather than during reads or writes. Docs -"
YouTube Link 2025-02-24T10:52Z 13.3K followers, [----] engagements
"One function to query tables with different schemas in parallel This video demonstrates using ClickHouse's merge table function to query multiple tables with different schemas simultaneously. You'll see how ClickHouse automatically handles data type unification and performs parallelized reading across tables making it easy to work with evolving data. Using a real tennis dataset spanning multiple decades the tutorial shows how the merge function intelligently combines tables where column types have changed over time. You'll learn how ClickHouse promotes data types to their most compatible"
YouTube Link 2025-06-20T13:48Z 13.3K followers, [----] engagements
"ClickHouse Mumbai Meetup - Nutanix This talk was presented at the ClickHouse Mumbai meetup on July [--] by Pranav Mehta Member of Technical Staff-4 and Shiv Jha Staff Engineer at Nutanix More information can be found at https://www.meetup.com/clickhouse-mumbai-user-group/events/308558476/ ClickHouse Rebalancing in OSS: Lets Talk About the Gaps ClickHouse offers powerful performance at scale but if you're running it in an open-source self-managed environment one thing becomes clear once you hit a certain scale: theres no easy way to rebalance shards.In this talk well share our experience"
YouTube Link 2025-09-19T12:19Z 13.3K followers, [---] engagements
"Clickhouse Chicago Meetups NOCD Presented by Anil Vaitla Co-Founder & CTO @ NOCD Come join us at one of our amazing meetup groups this presentation is from our Chicago meetup on October 9th: https://www.meetup.com/clickhouse-chicago-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-11-24T17:06Z 13.3K followers, [---] engagements
"RunReveal with ClickHouse: Just-in-time Row-based Access Control with ClickHouse Roles Presented by Alan Braithwaite Cofounder @ RunReveal at our Los Gatos Meetup at the Netflix Theater. See this talk going in depth how security teams use RunReveal who in turn leverages ClickHouse. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on July 10th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #security Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-07-29T11:52Z 13.3K followers, [---] engagements
"ClickHouse Tokyo Observability Happy Hour - ClickHouse ClickHouse [---] Tokyo Observability Happy Hour : https://clickhouse.com/company/events/2025-06-APJ-Tokyo-ObservabilityHappyHour ClickHouse ClickHouse ClickHouse HyperDX ClickHouse [----] ******** This talk was presented by ClickHouse Senior Support Engineer Miki Matsumoto at the Tokyo Observability Happy Hour on June [--]. The event page is here: https://clickhouse.com/company/events/2025-06-APJ-Tokyo-ObservabilityHappyHour Why ClickHouse for Observability Modern observability platforms needed to ingest store and query massive volumes of"
YouTube Link 2025-09-20T04:43Z 13.3K followers, [---] engagements
"LibreChat and the ClickHouse MCP server Learn how to integrate LibreChat a popular open-source library for building ChatGPT clones with the ClickHouse MCP server. This tutorial walks you through the complete setup process using Docker from cloning the repositories to making your first query. 🔸 Step-by-step guide to clone and configure LibreChat with ClickHouse 🔸 Docker setup instructions for easy deployment 🔸 Configuration of API keys and environment files 🔸 Demonstration of querying interesting datasets (NYC Taxis GitHub events YouTube etc.) 🔸Analysis example: discovering tip patterns"
YouTube Link 2025-08-13T11:43Z 13.3K followers, [----] engagements
"How we made the JSON type performant in Clickhouse ClickHouse Performance Engineering Lead Robert Schulze dives into the internals of how the JSON data type was built to deliver high-speed analytical performance without sacrificing flexibility. In this session you'll learn why standard approaches to handling semi-structured data fall short how ClickHouse overcame these challenges and what it means for querying JSON at scale. If you care about real-time analytics and efficient data access this one's for you. 🔸Blog post - https://clickhouse.com/blog/a-new-powerful-json-data-type-for-clickhouse"
YouTube Link 2025-07-11T17:29Z 13.3K followers, [----] engagements
"ClickHouse for AI - Vectors Embedding Semantic Search and more - Alexey Milovidov ClickHouse Did you know that ClickHouse can be used as a #vectordatabase ClickHouse isn't memory-bound allowing multi-TB datasets containing embeddings to be queried Over the past year Large Language Models (LLMs) along with products like ChatGPT have captured the world's imagination and have been driving a new wave of functionality built on top of them. The concept of vectors and vector search is core to powering features like recommendations question answering image / video search and much more. As a result"
YouTube Link 2023-06-01T21:12Z 13.3K followers, [----] engagements
"ClickHouse for Observability: Ingesting 200x More Logs with 0% Cost Increase Clever connects over [-----] schools and 60% of US students to educational technology through their single sign-on (SSO) platform. This generates [---] TB of logs every month Learn how Clever leverages ClickHouse to power their observability platform at massive scale enabling them to quickly identify and resolve issues with impressive query speeds. Clever built a custom observability platform on ClickHouse Cloud to analyze 150TB of uncompressed logs per month increasing indexed log volume by 200x while achieving a 0%"
YouTube Link 2025-05-06T19:47Z 13.3K followers, [----] engagements
"ClickHouse Mumbai Meetup - Observability with ClickStack This talk was delivered live at the ClickHouse Mumbai meetup on November [--] at Awfis Parinee Crescenzo in Mumbai India. Event page: https://www.meetup.com/clickhouse-mumbai-user-group/events/311852373/ Inside ClickStack: Engineering Observability for Scale Dive deep into ClickStack ClickHouses fresh approach to observability built for engineers who care about speed scale and simplicity. Well unpack the technical architecture behind how ClickStack handles metrics logs and traces using ClickHouse as the backbone for real-time"
YouTube Link 2025-11-26T16:57Z 13.4K followers, [---] engagements
"ClickHouse Mumbai Meetup - CUBOT BI This talk was delivered live by Yadu Balehosur Founder & CEO of CUBOT BI at the ClickHouse Mumbai meetup on November [--] at Awfis Space Solutions Parinee Crescenzo in Mumbai India. Event page: https://www.meetup.com/clickhouse-mumbai-user-group/events/311852373/ Performance Improvements using CUBOT BI on ClickHouse at Tata Mutual Fund Discover how CUBOT BI powered by ClickHouse transformed data performance for Tata Mutual Fund (TMF). As TMFs database grew over 10x from under [--] GB to more than [---] GB their previous MySQL-based warehouse struggled with BI"
YouTube Link 2025-11-26T16:51Z 13.4K followers, [--] engagements
"Alexey Milovidov at Web Summit 2025: Working with massive datasets at scale A practical deep-dive into working with massive datasets in ClickHouse using training data collections as fascinating case studies. This presentation gets hands-on with real data engineering challengesloading analyzing and comparing datasets that range from Common Crawl's web pages to GitHub repositories Wikipedia Reddit and beyond. The demo walks through ingesting the FineWeb dataset (81.5 terabytes of web data) directly from Hugging Face into ClickHouse then explores creative analytical approaches across different"
YouTube Link 2025-11-14T09:54Z 13.3K followers, [---] engagements
"SQL Dynamic Column Selection in ClickHouse In this video we'll learn about dynamic column selection in SQL with ClickHouse using the New York taxi dataset. Well learn how to use the COLUMNS clause to return columns by regex before showing how to apply functions to aggregate data and format results. We'll also learn how to modify the values of columns as well as excluding fields that we don't want. #sql #modernsql #clickhouse Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2023-11-14T17:00Z 13.3K followers, [----] engagements
"ClickHouse Pune Meetup - ThriveStack This talk was delivered live at the ClickHouse Pune meetup on September [--] at One2N's office by Ankit Gupta Senior Software Engineer at ThriveStack. The full agenda can be found at https://www.meetup.com/clickhouse-pune-user-group/events/310644227/ Why ThriveStack chose ClickHouse ThriveStack is a Growth Intelligence platform that unifies data from awareness acquisition activation monetization engagement retention and expansion giving teams a single correlated view of whats driving growth and where leaks are happening. In this session well share how we"
YouTube Link 2025-12-11T13:37Z 13.4K followers, [---] engagements
"ClickHouse SF Meetups Replo Presented by Ryan Voris - Engineering Leader @ Replo Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-12-17T05:47Z 13.4K followers, [--] engagements
"ClickHouse Boston Meetup Memfault Presented by Chris Coleman Co-Founder and CTO @ Memfault Come join us at one of our amazing meetup groups this presentation is from our Boston meetup on September 18th: https://www.meetup.com/clickhouse-boston-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-11-24T17:18Z 13.4K followers, [--] engagements
"ClickHouse ti mt Cng ty Tm trung - Tun-Anh Nguyn Staff Engineer Parcel Perform This talk was presented live in Vietnamese at the ClickHouse + AWS + Infinite Lambda meetup in Ho Chi Minh on April [--] [----]. More details can be found at https://www.meetup.com/clickhouse-vietnam-meetup-group/events/306810105/. The deck can be downloaded from https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-hochiminh-1/Talk%203_Parcel%20Perform_HCM%20Meetup_12Apr25.pdf ClickHouse ti mt Cng ty Tm trung Tun-Anh s chia s v qu trnh p dng ClickHouse ti Parcel Perform bt u t vic thay th"
YouTube Link 2025-05-03T02:50Z 13.3K followers, [---] engagements
"ClickHouse NYC Meetup: Profound Presented by Ian Armstrong Engineer @ Profound at our New York Meetup. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on September 8th: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-09-17T20:38Z 13.3K followers, [---] engagements
"Automatic Query Endpoints with ClickHouse Cloud In this video we'll learn about automatic query endpoints in ClickHouse Cloud which allow us to create an API endpoint directly from any saved SQL query in the ClickHouse Cloud Console. Blog - https://clickhouse.com/blog/automatic-query-endpoints"
YouTube Link 2024-05-17T13:02Z 13.3K followers, [----] engagements
"An intro to ClickHouse Cloud In this video we'll help you get up and running with ClickHouse Cloud. We'll set up a service ingest some data and then learn how to query it. https://clickhouse.cloud/"
YouTube Link 2024-10-16T15:14Z 13.3K followers, [----] engagements
"ClickHouse NYC Meetups AI Agents and Real-time Analytics Presented by Donneyli De Jesus Solutions Architect at ClickHouse at our New York Meetup. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on Decmber 8th: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2026-01-09T05:11Z 13.4K followers, [---] engagements
"ClickHouse Performance Tuning: Optimizing Bloom Filters for 40% CPU Reduction on Petabyte Logs Akshay Nanavati and Poom Chiarawongse Members of Technical Staff at OpenAI share how the OpenAI observability team scaled ClickHouse as ChatGPT adoption and log volume skyrocketed. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse OpenAI's observability platform uses the ClickHouse columnar database to ingest and query petabytes of log data per day providing a solution for extreme-scale high-cardinality telemetry. This monitoring solution is built on"
YouTube Link 2025-06-11T15:19Z 13.3K followers, [----] engagements
"ClickHouse Tokyo Meetup - KDDI [------] ClickHouse Tokyo KDDI https://www.meetup.com/clickhouse-tokyo-user-group/events/307689645/. LangfuseClickHouse MeetupKDDI Langfuse OLAP ClickHouse AWS RUM LLM ******** This talk was presented at the ClickHouse Tokyo meetup on June [--] [----] by KDDI Agile Development Center Software Engineer Yu Otsubo. Event page is https://www.meetup.com/clickhouse-tokyo-user-group/events/307689645/ A story about visualizing Langfuse data with ClickHouse and integrating it with other data sources At the Tokyo meetup Yu Otsubo from KDDI presented how they combined"
YouTube Link 2025-09-19T07:47Z 13.3K followers, [--] engagements
"How to Compute a Running Aggregation in ClickHouse Using aggregate functions in a materialized view in ClickHouse can lead to surprising results if you don't define them properly. The AggregatingMergeTree table engine requires special column types for representing and storing intermediate (running) totals of aggregations like avg max min uniq count and all the other aggregate functions in ClickHouse. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=youtube&utm_campaign=how-to AggregatingMergeTree table engine Documentation:"
YouTube Link 2023-09-26T17:18Z 13.4K followers, [----] engagements
"Using dbt to Transform Data in ClickHouse Start a Clickhouse Cloud Free Trial download dbt and get started in minutes - https://clickhouse.cloud/signUputm_source=partner&utm_medium=youtube&utm_campaign=dbt-20230124 Join this webinar to learn about how dbt (data build tool) enables analytics engineers to transform data in their warehouses by simply writing select statements. Dbt is compatible with ClickHouse through a ClickHouse-supported plugin. We describe the process for connecting ClickHouse with a simple example based on a real world dataset. We will also hear from one of our users on"
YouTube Link 2023-01-26T09:06Z 13.4K followers, [----] engagements
"How to Upsert Rows into ClickHouse Yes - you can upsert a row in ClickHouse It behaves differently than with other databases so it's important to understand how upserts are implemented using the ReplacingMergeTree table engine including tips on how to avoid using FINAL in a query. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials ClickHouse Academy: https://clickhouse.com/learn Official ClickHouse Certification: https://clickhouse.com/learn/certification Don't forget to give us a on Github"
YouTube Link 2023-09-05T18:12Z 13.4K followers, [----] engagements
"10x Cost Reduction: Clearbit's Postgres to ClickHouse Cloud Migration Clearbit needed a real-time database to handle their massive clickstream data volume and power their UI. Harlow shares why ClickHouse Cloud ticked all the boxes. Get started today: https://clickhouse.com/try Visit Clearbit: https://clearbit.com ClickHouse Clearbit ClickHouse Clearbit"
YouTube Link 2023-09-15T09:19Z 13.4K followers, [---] engagements
"ClickStack: Unified Observability with ClickHouse for High-Cardinality Logs Metrics & Traces In this comprehensive tutorial we explore ClickStack an innovative observability platform that revolutionizes how you handle logs traces and metrics by storing them all in a single ClickHouse database. This unified approach makes it incredibly easy to correlate signals across your entire infrastructure and applications. ClickStack is built around three core components that work seamlessly together. First there's the ClickStack distribution of the OpenTelemetry collector which serves as your data"
YouTube Link 2025-06-25T16:14Z 13.4K followers, [----] engagements
"ClickHouse Bangalore Meetup - Nutanix This talk was presented at the ClickHouse Bangalore meetup on June [--] by Pranav Mehta Member of Technical Staff-4 and Shiv Jha Staff Engineer from Nutanix More information can be found at https://www.meetup.com/clickhouse-bangalore-user-group/events/308323519/ Squeezing Performance: Clickhouse@4GB on Kubernetes ClickHouse is renowned for its high-performance analyticsbut can it run on resource-constrained environments In this talk we present the findings from our deep-dive benchmark of ClickHouse on Kubernetes with as little as 4GB RAM. We share insights"
YouTube Link 2025-09-19T12:49Z 13.4K followers, [---] engagements
"PostgreSQL + ClickHouse = The Open Source Unified Data Stack This video walks through the Postgres-ClickHouse Stack an open source project that lets you run transactional and analytical workloads side by side. We've got Postgres handling your OLTP needs ClickHouse crushing the analytics and PeerDB keeping everything in sync through change data capture. We'll clone the repo fire up the stack with Docker and build a sample expense tracking app with [--] million rows. Then we'll flip a switch to route analytical queries to ClickHouse and watch the dashboard load three times faster. It's a"
YouTube Link 2026-01-27T16:24Z 13.4K followers, [----] engagements
"ClickHouse NYC Meetups Libre Chat Presented by Danny Avila at ClickHouse at our New York Meetup. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on Decmber 8th: https://www.meetup.com/clickhouse-new-york-user-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2026-01-09T05:12Z 13.4K followers, [---] engagements
"ClickHouse at Netflix: Petabyte-Scale Log Storage for Microservices Presented by Daniel Muino Software Engineer @ Netflix at our Los Gatos Meetup at the Netflix Theater. See how Netflix stores Petabytes a day of operational logs with reasonable cost and lightning fast query speed using ClickHouse. Deck is here: https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-losgatos/Petabyte-Scale%20Log%20Storage%20for%20Microservices%20(1).pdf Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 12th:"
YouTube Link 2025-03-22T03:49Z 13.4K followers, [----] engagements
"ClickHouse Cloud Update - September2024 - Building an AI Copilot with OpenAI/Redpanda/ClickHouse"
YouTube Link 2024-09-25T04:11Z 13.4K followers, [---] engagements
"Projections in ClickHouse Discover how to dramatically improve query performance in ClickHouse using projections - a powerful feature that creates query-optimized copies of your data. This video demonstrates projections using a real-world example with [--] million UK property price records. Watch as we reduce query time from [--] milliseconds to just [--] milliseconds by creating a projection for calculating average house prices by county. What You'll Learn: 🔸 What projections are and how they work as hidden tables that update atomically 🔸 Three main use cases: reordered datasets subset filtering"
YouTube Link 2025-06-11T12:50Z 13.4K followers, [----] engagements
"An Introduction to ClickHouse Cloud An introduction to ClickHouse Cloud by our PM Zach Naimon PM of SQL Console at ClickHouse. An overview of how you can start a service load data and deliver insights in a few steps without involving developer operations. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse [----] ClickHouse 2020"
YouTube Link 2023-01-30T18:10Z 13.4K followers, [----] engagements
"Open House NYC: ClickHouse for Real-Time Analytics Zach Naimon Principal Product Manager at ClickHouse presents how real-time analytics needs are evolving for more complex queries at enormous scale and how ClickHouse delivers low-latency insights. Session recording from Open House roadshow NYC [----]. https://clickhouse.com/openhouse/nyc ClickHouse ClickHouse"
YouTube Link 2025-10-21T13:07Z 13.4K followers, [---] engagements
"How Klaviyo cut segment processing from hours to [--] second with ClickHouse Klaviyo the $7 billion marketing automation platform powering over [------] brands hit a wall with its segmentation engine a few years back. Computing which customer segments people belonged to was painfully slow -sometimes taking over an hour even with pre-aggregated data. Their original system was a patchwork of Python orchestration MySQL and Cassandra that just couldn't keep up. So in [----] they decided to rebuild everything from scratch around ClickHouse and the results speak for themselves: what used to take an hour"
YouTube Link 2025-11-19T10:20Z 13.4K followers, 21.1K engagements
"Effective Network Threat Detection with ClickHouse In this SF meetup video Mike Parowski fromHarveyAI breaks down how they leverage network logs for proactive threat detection to keep their network secure. While many treat network logs as a tool for retroactive investigation HarveyAI takes a forward-thinking approach with RunReveal as their SIEM powered by ClickHouse. Discover how ClickHouses fast scalable data capabilities help HarveyAI stay ahead of potential threats. https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/302540575/ ClickHouse ClickHouse"
YouTube Link 2024-09-10T02:45Z 13.4K followers, [----] engagements
"ClickHouse v25.11 Release Webinar"
YouTube Link 2025-11-25T16:48Z 13.4K followers, [----] engagements
"Fast Concurrent and Consistent Asynchronous INSERTS in ClickHouse At the ClickHouse Amsterdam Meetup in March 2023.Han Fei gave this presentation. The slides can be found at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup70 ClickHouse ClickHouse"
YouTube Link 2023-03-27T21:01Z 13.4K followers, [----] engagements
"How to Optimize a ClickHouse Query using Projections Projections are a query-optimization feature of MergeTree tables in ClickHouse that store data in a different format than the defined sort order. Useful use cases include the ability to sort the data in a different order than the primary key and also to pre-aggregate columns. One nice benefit of projections over materialized views is that a projection does not require a separate table so users simply query the original table and ClickHouse decides at query time if a projection can improve the performance. Reference links: ClickHouse Quick"
YouTube Link 2023-09-11T21:00Z 13.4K followers, 10.9K engagements
"Financial functions in ClickHouse In this video we dive into the new financial functions introduced in ClickHouse [----]. These additions bring powerful tools for financial analysis right into your database queries. We'll explore two key functions: internal rate of return (IRR) and net present value (NPV) demonstrating their practical applications with real-world examples. 🔸 Learn how to calculate the internal rate of return on investments using Apple stock as an example 🔸 Discover the extended IRR function that allows for specific date inputs 🔸 Understand net present value calculations and"
YouTube Link 2025-10-22T14:12Z 13.4K followers, [---] engagements
"Backfilling materialized views in ClickHouse: A practical guide Learn how to properly backfill historical data when adding materialized views to existing ClickHouse tables. This tutorial walks you through a common challenge when working with large datasets and shows you how to maintain data consistency across your analytics pipeline. In this video you'll discover: 🔸 How to create efficient materialized views for aggregating data 🔸 Why backfilling is necessary when adding views to tables with existing data 🔸 A step-by-step approach using temporary tables for backfilling large datasets 🔸"
YouTube Link 2025-05-02T15:29Z 13.4K followers, [----] engagements
"How to update data in ClickHouse (2025 edition) ClickHouse has just made updating data significantly more straightforward with a new approach that uses familiar SQL syntax. Instead of rewriting entire data parts like the traditional ALTER TABLE method this update mechanism creates lightweight "patch parts" that store only the changed values as deltas. These patches are applied at query time and eventually merged in the background making small frequent updates much more efficient than before. 🔸 Hands-on demonstration using the UK price paid dataset with [--] million rows 🔸 Understanding how"
YouTube Link 2025-12-04T11:28Z 13.4K followers, [----] engagements
"The many modes of ClickHouse In this video we'll learn all about the different modes that ClickHouse supports covering ClickHouse Server ClickHouse Cloud ClickHouse Local and chDB. 🟡 clickhouse-local - https://clickhouse.com/docs/en/operations/utilities/clickhouse-local 🟡 chDB - https://clickhouse.com/chdb 🟡 ClickHouse Cloud - https://clickhouse.com/cloud Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-01-07T07:16Z 13.4K followers, [----] engagements
"An intro to ClickHouse regex tree dictionaries This video explains ClickHouse's regular expression tree dictionary feature which maps keys to attributes using hierarchical regex patterns defined in YAML files. These dictionaries are particularly useful for parsing user agent strings. The tutorial demonstrates how to create and use regex tree dictionaries in ClickHouse showing the YAML structure that defines operating systems and versions through nested regular expressions. It covers the complete workflow from dictionary creation to practical usage with the dict_get function illustrating"
YouTube Link 2025-04-10T13:53Z 13.4K followers, [---] engagements
"Vector Search In ClickHouse - Dale McDiarmid Do you really need a #vectordatabase (No.) This presentation was given at the ClickHouse community meeutp in London - https://www.meetup.com/clickhouse-london-user-group/events/292892824/ The slides are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup75 ClickHouse ClickHouse"
YouTube Link 2023-06-06T15:48Z 13.4K followers, [----] engagements
"ClickHouse for AI/ML: An Overview (Open House) Alexey Milovidov CTO Ryadh Dahimene Director PM and Zach Naimon Principal Product Manager at ClickHouse share a perspective on evolution of AI/ML use cases and how ClickHouse fits into the data landscape as the market evolves. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/ai https://clickhouse.com/openhouse ClickHouse open source database AI ML ClickHouse open source database AI ML"
YouTube Link 2025-06-11T15:18Z 13.4K followers, [----] engagements
"Canva Migrating Production Observability Workloads onto ClickHouse Zjan Carlo Turla Software Engineer at Canva shares how they migrated production observability workloads in ClickHouse and saved costs by 70%. Session recording from Open House roadshow Sydney [----]. https://clickhouse.com/openhouse/sydney ClickHouse Canva Observability ClickHouse Canva Observability"
YouTube Link 2025-11-04T02:43Z 13.4K followers, [---] engagements
"ClickHouse v25.8 Release Webinar"
YouTube Link 2025-08-28T15:06Z 13.4K followers, [----] engagements
"ClickHouse for Financial Analytics - Baudouin Giard (Bloomberg) This talk was given at the ClickHouse Community Meetup in Manhattan on December [--] [----] - https://www.meetup.com/clickhouse-new-york-user-group/events/289403909/ The presentation materials are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup67 ClickHouse [----] ClickHouse 2020"
YouTube Link 2023-01-18T13:12Z 13.4K followers, [----] engagements
"ClickHouse for Data Warehousing (Open House) Chlo Carasso dit Carson Senior Product Manager at ClickHouse gives an overview of how the data landscape has evolved to meet modern cloud infrastructure needs. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse ClickHouse"
YouTube Link 2025-06-11T15:20Z 13.4K followers, [----] engagements
"ClickHouse Performance Tuning: Get less than 50ms Observability Queries with Condition Cache Discover how ClickHouse 25.3's query condition cache dramatically improves query performance in this tutorial. Learn how this powerful feature caches filter results at the granule level allowing ClickHouse to skip large portions of data during repeated queries with similar WHERE clauses. We demonstrate the cache in action using a 100-million-row dataset showing how query execution time drops from [---] seconds to just [--] milliseconds when the cache kicks in. You'll see how to inspect cache hits/misses"
YouTube Link 2025-04-01T12:20Z 13.4K followers, [----] engagements
"Under-the-Hood: ClickHouse Incremental Materialized Views and Dictionaries This webinar explores how organizations use ClickHouse Materialized Views and Dictionaries to transform enrich and aggregate streaming data on ingest enabling high-performance personalization operational dashboards and anomaly detection while reducing ETL overhead and infrastructure costs. ClickHouse Data Engineering ClickHouse Data Engineering"
YouTube Link 2026-01-20T07:37Z 13.4K followers, [---] engagements
"RunReveal + ClickHouse Alan Braithwaite Co-Founder & CTO at RunReveal talks with Tristan Ahmadi Solution Architect at ClickHouse about his experience with ClickHouse. Interview at Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse ClickHouse"
YouTube Link 2025-06-11T15:20Z 13.4K followers, [---] engagements
"ClickHouse Open House Keynote [----] Keynote recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse Aaron Katz ClickHouse CEO talks about the founding of ClickHouse Inc. and the trajectory of the company. Alexey Milovidov ClickHouse CTO and the creator of the ClickHouse open source project shares the origin story of ClickHouse. Yury Izrailevsky ClickHouse President of Engineering and Krithika Balagurunathan Head of Product for ClickHouse Cloud dive into the details of ClickHouse Cloud. Tanya Bragin VP Product & Marketing at ClickHouse covers the latest"
YouTube Link 2025-06-11T15:18Z 13.4K followers, [----] engagements
"How OpenAI Achieves Petabyte-Scale Observability with ClickHouse: [--] Key Reasons In this video we explore the reasons why OpenAI chose ClickHouse for its massive-scale observability needs. While most people don't handle petabytes of data daily the challenges of efficient data management and real-time troubleshooting are universal. We'll explore how ClickHouse's features address these pain points making it a powerful solution for organizations of all sizes. Key points covered: 🔸 SQL compatibility and its impact on accessibility and data analysis 🔸 Cloud-native architecture and horizontal"
YouTube Link 2025-09-29T10:23Z 13.4K followers, 397K engagements
"Filling gaps in time-series data with ClickHouse In this video we're going to learn how to fill gaps in time-series data using ClickHouse's WITH FILL clause. Blog post - https://clickhouse.com/blog/working-with-time-series-data-and-functions-ClickHouse ClickHouse ClickHouse"
YouTube Link 2024-05-28T12:42Z 13.4K followers, [----] engagements
"Using ClickHouse for financial market data - Christoph Wurm (ClickHouse) This talk was given at the ClickHouse Community Meetup in Stockholm on [--] December [----] - https://www.meetup.com/clickhouse-stockholm-user-group/events/289492084/ The presentation materials are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup65 Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse [----] ClickHouse 2020"
YouTube Link 2023-01-17T23:29Z 13.4K followers, [----] engagements
"ClickHouse for Observability: Ingesting 560TB/Day of High-Cardinality Unsampled Data Vlad Seliverstov Engineering Manager at ClickHouse shares the story of the ClickHouse observability team moving off Datadog to ClickHouse + Grafana + HyperDX. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse provides a cost-effective solution for building custom observability platforms to handle high-cardinality unsampled telemetry at petabyte scale. This approach used internally by ClickHouse for their 'Loghouse' monitoring platform costs a"
YouTube Link 2025-06-11T15:19Z 13.4K followers, [---] engagements
"From Complex to Simple: How FinBox Streamlined Data Infrastructure with ClickHouse Discover how FinBox a leading fintech platform providing credit and data infrastructure solutions simplified their data systems and boosted performance by implementing ClickHouse. In this talk Kushal Halder Principal Architect & CISO at FinBox shares practical takeaways and lessons from transforming complex pipelines into a fast efficient analytics stack. Session recording from Open House roadshow Bangalore [----]. https://clickhouse.com/openhouse/bangalore ClickHouse ClickHouse"
YouTube Link 2025-11-06T07:11Z 13.4K followers, [---] engagements
"An intro to Materialized Views in ClickHouse In this video we explore materialized views in ClickHouse using a dataset of PyPI download events. Materialized views in ClickHouse don't store data themselves but perform transformations on data as it is inserted. We illustrate this process using the PyPI dataset showing how it can efficiently aggregate daily download counts per project. #clickhouse #pypi #clickpy Resources 📖 * clickPy GitHub repo - https://github.com/ClickHouse/Clickpy#public-instance * clickPy App - https://clickpy.clickhouse.com/ Don't forget to give us a on Github"
YouTube Link 2023-11-09T17:00Z 13.4K followers, 13.9K engagements
"AI-powered text-to-SQL feature in ClickHouse This video explores the exciting new AI-powered text-to-SQL feature introduced in ClickHouse [----]. This nifty addition allows users to generate SQL queries using natural language making database interactions more intuitive and accessible. We'll walk you through setting it up and demonstrate its capabilities using real-world examples from a UK property price dataset. Key points covered: 🔸 Setting up the AI-powered text-to-SQL feature with OpenAI or Anthropic API keys 🔸 Exploring available databases and tables using AI-generated queries 🔸"
YouTube Link 2025-09-08T13:14Z 13.4K followers, [----] engagements
"ClickHouse for Real-Time Analytics (Open House) Zach Naimon Principal Product Manager at ClickHouse gives an overview of ClickHouse for real-time analytics. Session recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse ClickHouse"
YouTube Link 2025-06-11T16:54Z 13.4K followers, [----] engagements
"ClickHouse on Kubernetes: Air-Gapped Deployment for Scalable Cost-Effective Observability Maruth Goyal Member of Technical Staff at Anthropic shares how ClickHouse is used to improve observability. Session recording from Open House [----] the ClickHouse user conference. https://clickhouse.com/openhouse Anthropic uses a specialized air-gapped ClickHouse deployment for its observability platform enabling real-time data ingest and fast analytics within its secure compute environment to support the development of Claude large language models. This solution was selected to handle exponential data"
YouTube Link 2025-06-11T15:18Z 13.4K followers, [----] engagements
"How ClickHouse optimizes Top-N queries Top-N queriesfinding the most recent events highest-scoring users or biggest transactionsare everywhere in data analytics. ClickHouse has some clever engine-level optimizations specifically designed to make these queries blazingly fast. In this video we walk through several of these optimizations using a 100-million-row web analytics dataset showing you exactly how they work and when to use them. We'll cover how ClickHouse leverages sorting keys and min-max indexes to speed up top-N queries and explore three experimental settings that can dramatically"
YouTube Link 2026-01-20T16:00Z 13.4K followers, [---] engagements
"Data pruning Why is ClickHouse fast (Part 4) This video explains three key techniques ClickHouse uses to avoid scanning unnecessary data during queries: Key points covered: Primary Index - How ClickHouse uses sorted data and in-memory indexes Skipping Indexes - Additional filtering using specialized indexes Projections - Alternative data copies for different query patterns The video demonstrates how these three techniques work together to make ClickHouse queries faster by minimizing the amount of data that needs to be scanned. Docs -"
YouTube Link 2025-02-27T12:47Z 13.4K followers, [----] engagements
"Lightweight Updates: ClickHouse Core Database Innovations for Real-Time Analytics (Open House) Nikita Mikhailov Director Engineering at ClickHouse and one of the original ClickHouse developers talks about the latest core database innovations for real-time analytics. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database real-time analytics ClickHouse open source database real-time analytics"
YouTube Link 2025-06-11T15:19Z 13.4K followers, [----] engagements
"Inserting data into Apache Iceberg from ClickHouse This video explores ClickHouse's experimental support for Apache Iceberg writes introduced in version [----]. We'll walk you through the process of creating querying and writing to Iceberg tables using both PySpark and ClickHouse. This practical demonstration showcases the seamless integration between these powerful data technologies. Key points covered: 🔸 Setting up an Iceberg table with PySpark and importing New York taxi data 🔸 Querying Iceberg tables in ClickHouse using the iceberg_local engine 🔸 Performing inserts from ClickHouse into"
YouTube Link 2025-09-26T10:25Z 13.4K followers, [---] engagements
"ClickHouse v25.12 Release Call"
YouTube Link 2025-12-18T16:22Z 13.4K followers, [----] engagements
"Working with the Time data type in ClickHouse ClickHouse [----] introduced the Time data type for storing time values. This video covers how to use the new Time and Time64 data types in your ClickHouse queries and tables. What we'll cover: 🔸 Creating Time values with casting and toTime() function 🔸 Using Time64 for millisecond/nanosecond precision 🔸 Required settings: enable_time_time64_type 🔸 Practical example with running splits data 🔸 Aggregating Time data (max min and workarounds for average/quantiles) 🔸 Converting between Time types and Unix timestamps We'll work through a real"
YouTube Link 2025-09-03T13:22Z 13.4K followers, [---] engagements
"Alexey Milovidov creator of ClickHouse talks Open Software Infrastructure [---] at RAISE Summit In this insightful interview Alexey Milovidov co-founder and CTO of ClickHouse shares his perspective on open source AI and the future of database technology. As the driving force behind a service used by thousands of customers including major AI companies like OpenAI and Anthropic Alexey offers valuable insights into the world of data management and tech entrepreneurship. He covers the following: 🔸 The advantages of building a business on open-source technology 🔸 Strategies for balancing open"
YouTube Link 2025-07-18T15:57Z 13.4K followers, [----] engagements
"New SQL features in ClickHouse [-----] In the latest ClickHouse [-----] release several useful SQL features are introduced making everyday queries more straightforward to write. We're talking about functions that help you find values associated with min/max results work with fractional limits analyze cumulative distributions and handle some everyday data manipulation tasks. Nothing groundbreaking but definitely valuable additions to your SQL toolkit. In this walkthrough we cover practical examples of each new feature so you can see exactly how they work and when you might want to use them. 🔸"
YouTube Link 2025-12-05T09:35Z 13.4K followers, [---] engagements
"ClickHouse v25.6 Release Call Chapters: 0:00 - Introduction 2:32 - System Codecs 4:34 - Bitcoin addresses 6:45 - Wellknown binary 16:29 - Merge table engine 18:44 - Read and write JSON 20:30 - Split tokenizer 25:12 - Custom disk 26:54 - Iceberg history 29:28 - Distributed queries 31:08 - Workloads 33:03 - Bloom Filter Index 34:14 - Multiple Projections 35:46 - Time Data Type 36:52 - ClickHouse Diagnostics 40:08 - New Window Functions 41:15 - New Terraform Provider 41:51 - New ClickHouse Website 43:32 - ClickHouse Lexer 44:30 - Birds on the Map 45:53 - OpenHouse Conference 47:52 - ClickHouse"
YouTube Link 2025-06-26T15:11Z 13.4K followers, [----] engagements
"Preparing for the ClickHouse Certified Developer Exam Learn everything you need to know to successfully prepare for the ClickHouse Certified Developer exam. Well walk you through the entire process from start to finish. Youll learn what tasks will be covered on the exam tips on how to prepare for the exam what the exam environment looks like and much more ClickHouse ClickHouse"
YouTube Link 2025-02-14T18:07Z 13.4K followers, [----] engagements
"Will ClickHouse be around for [--] years Alexey Milovidov co-founder and CTO of ClickHouse shares his perspective on the importance of open source in the tech industry. As the leader of a company that provides database services to thousands of customers including major AI companies like OpenAI and Tropic Alexey offers valuable insights into why open source remains a crucial strategy for technology development and distribution. ClickHouse ClickHouse"
YouTube Link 2025-07-18T15:51Z 13.4K followers, [----] engagements
"Hin i ho h thng Analytics vi Amazon Bedrock v ClickHouse - Nhat Tran AWS Solution Architect This talk was presented live in Vietnamese at the ClickHouse + AWS + Infinite Lambda meetup in Ho Chi Minh Vietnam on April [--] [----]. More details from https://www.meetup.com/clickhouse-vietnam-meetup-group/events/306810105/ Hin i ho h thng Analytics vi Amazon Bedrock v ClickHouse Bc vo k nguyn ca AI to sinh vi bi thuyt trnh chuyn su v vic hin i ho h thng Analytics vi GenAI hiu qu s dng AWS Bedrock v Clickhouse. Chng ti s trnh by chi tit cch thit k kin v ng dng GenAI trong hin i ho h thng Analytics kt"
YouTube Link 2025-05-03T02:24Z 13.4K followers, [---] engagements
"ClickHouse v25.10 Release Webinar"
YouTube Link 2025-10-30T20:47Z 13.4K followers, [----] engagements
"ClickHouse v23.6 Release Webinar ClickHouse [----] is here Slides are available at https://presentations.clickhouse.com/release_23.6/ ## Contents 0:00:00 Welcome & Introductions 0:06:20 ClickHouse Release [----] 0:06:56 All Data Types in Function transform 0:08:44 SELECT . INTO OUTFILE '.' TRUNCATE 0:09:46 Skip Empty Files On Data Import 0:11:36 Rename Files After Processing 0:18:02 Connection String For clickhouse-client 0:22:11 session_timezone 0:25:00 Integration With MongoDB 5.1+ 0:26:06 Performance Optimizations 0:26:30 "Too many parts" Is Relaxed 0:31:21 Background Threads In"
YouTube Link 2023-06-30T05:08Z 13.4K followers, [----] engagements
"An intro to time-series databases This video provides an overview of time series data and its storage in databases. It explains the characteristics of time series data how it's produced and the requirements for efficiently managing and analyzing it. Key points covered: 🔸 Definition and types of time series data (regular intervals vs. event-driven) 🔸 Importance of timestamps and analyzing changes over time 🔸 Database requirements for handling time series data efficiently 🔸 Categories of time series databases including purpose-built solutions and analytics platforms 🔸 Demonstration of"
YouTube Link 2025-08-10T21:01Z 13.4K followers, [----] engagements
"Concurrent inserts and selects are isolated Why is ClickHouse fast (Part 2) This video explores another crucial aspect of ClickHouse's performance: how it handles concurrent operations through thread isolation. Learn how ClickHouse performs multiple operations simultaneously without creating bottlenecks. Key points covered: Dedicated thread pools for different operations: Insert operations Background merge processes Query execution How concurrent operations work in isolation Background merge process functionality Real-time query handling during merges How data parts are managed during"
YouTube Link 2025-02-20T11:49Z 13.4K followers, [----] engagements
"Introducing ClickStack: The Future of Observability on ClickHouse Today's fragmented observability landscape leaves developers juggling separate databases for logs metrics and traces slowing incident response increasing frustration and driving up costs. Tristan Ahmadi Solution Architect at ClickHouse introduces ClickStack an open-source observability platform built on ClickHouse HyperDX and OpenTelemetry. ClickHouse ClickHouse"
YouTube Link 2025-11-04T21:57Z 13.4K followers, [----] engagements
"ClickHouse SF Meetups Rill Presented by Mike Driscoll - CEO @ Rill Data Come join us at one of our amazing meetup groups this presentation is from our Bay Area and Silicon Valley Meetup Group meetup on December 8th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group/ #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-12-17T05:48Z 13.4K followers, [--] engagements
"Maximising Analytics with ClickHouse and Kafka Integration This presentation was given at the ClickHouse & Confluent Meetup in Kuala Lumpur Malaysia on December [--] [----]. The slides can be found at https://clickhou.se/clickhouse-kl-meetup-slides Maximising Analytics with ClickHouse and Kafka Integration ClickHouse a high-performance columnar database excels in handling large-scale data inserts and fast analytical querying making it ideal for building real-time reporting solutions. Kafka a distributed streaming platform complements ClickHouse by providing high-throughput data ingestion message"
YouTube Link 2025-01-24T08:15Z 13.4K followers, [----] engagements
"ClickHouse v26.1 Release Webinar The ClickHouse v26.1 release brings [--] features [--] performance optimizations and a record [---] bug fixes. Alexey walks through the technical updatesdistinct queries are now 2x faster on low-cardinality columns JIT compilation extends to nullable aggregates and decimals and sparse n-grams improve text search selectivity. There's also a new Keeper dashboard that exposes cluster metrics and node data over HTTP plus better async insert idempotency that now covers materialized views. The bigger announcement is ClickHouse's managed Postgres service now in private"
YouTube Link 2026-01-29T16:13Z 13.4K followers, [----] engagements
"Faster JOINs in ClickHouse (Open House) Robert Schulze Engineering Manager at ClickHouse shares the latest ClickHouse core database product innovations for data warehousing improving support for faster JOINs. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database JOINs ClickHouse open source database JOINs"
YouTube Link 2025-06-11T15:19Z 13.4K followers, [----] engagements
"Trouble Will Find You: How Cloudflare Scales Using ClickHouse Presented by Jamie Herre Sr.Director of engineering at Cloudflare. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on August 26th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #cloudflare Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-09-09T14:51Z 13.4K followers, [---] engagements
"Building AI for Financial Analysis: How ClickHouse Powers Real-Time Intelligence Explore how StockGro a leading social investing and financial education platform leverages ClickHouse to power real-time analytics and AI-driven financial insights. In this talk Shreyas Patil Founding Engineer at StockGro shares how ClickHouses speed and scalability enable smarter data-backed decision-making at scale. Session recording from Open House roadshow Bangalore [----]. https://clickhouse.com/openhouse/bangalore ClickHouse ClickHouse"
YouTube Link 2025-11-06T07:19Z 13.4K followers, [---] engagements
"Data lakehouses (in under [--] minutes) What is a data lakehouse and why is everyone talking about them This quick explainer covers everything you need to know. We'll start by discussing data lakes and their common challengesschema evolution data integrity query performance data discovery and access controland then show you how the four-layer lakehouse architecture solves these problems. You'll learn about open table formats like Iceberg Delta Lake and Hudi plus how data catalogs like AWS Glue and Unity Catalog complete the picture. By the end you'll understand why lakehouses are becoming the"
YouTube Link 2025-06-30T12:49Z 13.4K followers, [----] engagements
"ClickHouse as an Arrow Flight Server Arrow Flight is a high-performance RPC framework built on gRPC that's specifically designed for efficiently transferring large Arrow datasets between services. In this hands-on tutorial we explore how to use ClickHouse as an Arrow Flight server demonstrating both bulk data retrieval and streaming approaches. We'll work with a real dataset of over [--] million UK property records to show you the practical performance characteristics and capabilities you can expect. The video walks through three different approaches to querying data via Arrow Flight. First we"
YouTube Link 2026-02-03T16:52Z 13.4K followers, [---] engagements
"Better Together: Postgres to ClickHouse Replication with PeerDB Learn how easy Postgres Replication becomes by leveraging PeerDB Come join us at one of our amazing meetup groups this presentation is from our austin meetup https://www.meetup.com/clickhouse-austin-user-group #peerDB #clickhouse #postgres #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2024-11-14T18:07Z 13.4K followers, [----] engagements
"Aggregation States in ClickHouse In this video we'll learn about aggregation states and the AggregatingMergeTree table engine in ClickHouse. Code - https://github.com/ClickHouse/examples/tree/main/LearnClickHouseWithMark/Aggregation-State Blog post - https://clickhouse.com/blog/aggregate-functions-combinators-in-clickhouse-for-arrays-maps-and-states#working-with-aggregation-states Documentation - https://clickhouse.com/docs/en/sql-reference/data-types/aggregatefunction#::text=The%20common%20way%20to%20producefunction%20with%20the%20%2DMerge%20suffix. Don't forget to give us a on Github"
YouTube Link 2024-04-05T13:01Z 13.4K followers, [----] engagements
"Postgres and ClickHouse: The Default Data Stack (Open House) Sai Srirampur and Kaushik Iska founders of PeerDB discuss the evolving better together story for Postgres users and the future of change data capture (CDC) at ClickHouse. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse open source database Postgres PostgreSQL analytical database transactional database real-time analytics ClickHouse open source database Postgres PostgreSQL analytical database transactional database real-time analytics"
YouTube Link 2025-06-11T15:19Z 13.4K followers, [----] engagements
"ClickHouse Observability: ClickStack Unifies Logs Traces & Metrics at Scale (Open House) Mike Shi founder of HyperDX introduces ClickStack: the high performance open-source observability stack. Lightning-fast queries and powerful aggregations on logs metrics traces session replays and errors with unmatched resource efficiency for even your highest-cardinality data. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/o11y https://clickhouse.com/openhouse ClickStack is an open-source observability platform that unifies logs metrics and traces in ClickHouse"
YouTube Link 2025-06-11T15:18Z 13.4K followers, [----] engagements
"A ClickHouse table engine that ignores data In this video we'll learn about ClickHouse's Null Table Engine. #clickhouse Code - https://github.com/ClickHouse/examples/tree/main/LearnClickHouseWithMark/NullTableEngine Docs - https://clickhouse.com/docs/en/engines/table-engines/special/null ClickHouse ClickHouse"
YouTube Link 2024-07-05T09:45Z 13.4K followers, [----] engagements
"How RunReveal is using ClickHouse to Build a Ridiculously Fast Threat Detection Pipeline This presentation was given by Alan Braithwaite at the ClickHouse Community Meetup in San Francisco - https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/296334923/ If you are interested in attending a future event please join a Meetup Group near you at https://www.meetup.com/pro/clickhouse To get started with ClickHouse visit https://clickhouse.com/ to download or start a free ClickHouse Cloud Trial ClickHouse ClickHouse"
YouTube Link 2023-11-30T14:08Z 13.4K followers, [---] engagements
"Postgres managed by ClickHouse We've just launched Postgres managed by ClickHouse and yes we know that sounds a bit unusual coming from us. But here's the thing: most of you are already running both databases anywayPostgres for transactions and ClickHouse for analytics. So we figured why not make that setup a whole lot easier This video walks through what makes our Postgres offering different how the native integration works and a full demo of setting it up replicating data and querying across both systems. 🔸 Local NVMe storage for maximum transaction throughput (no network-attached storage"
YouTube Link 2026-01-22T16:23Z 13.4K followers, [----] engagements
"Approx vector search in ClickHouse Looking to speed up your vector similarity searches in ClickHouse This video walks through approximate vector search using HNSW indexes which can dramatically reduce query times compared to linear scans. We'll work with a dataset of nearly a million Wikipedia entries showing you how to set up vector similarity indexes and when to use different distance functions. We start with a basic linear scan approach using L2 distance then introduce vector similarity indexes that bring query times down from seconds to milliseconds. You'll see practical examples using"
YouTube Link 2026-01-28T17:57Z 13.4K followers, [---] engagements
"Clickhouse Chicago Meetups Jumptrading Arnaud Adant Database Team Lead @ Jump Trading Group Come join us at one of our amazing meetup groups this presentation is from our Chicago meetup on October 9th: https://www.meetup.com/clickhouse-chicago-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-11-24T17:12Z 13.4K followers, [---] engagements
"The Postgres Developers guide to updates and deletes in ClickHouse Learn how to handle updates and deletes in ClickHouse when coming from a Postgres background This tutorial walks through working with CDC (Change Data Capture) data synced from Postgres to ClickHouse using ClickPipe. Unlike Postgres which does updates and deletes in-place ClickHouse uses versioned inserts with the ReplacingMergeTree engine. We'll explore how to properly query this data and avoid common pitfalls when counting records with updates and deletes. 🔸 ReplacingMergeTree fundamentals - How ClickHouse handles duplicate"
YouTube Link 2025-06-13T16:55Z 13.4K followers, [----] engagements
"ClickHouse Seoul Meetup - Intro to ClickHouse & My favorite features [--] [--] Google Startup Campus ClickHouse + Dev Korea ClickHouse Principal TAM Architect Derek Chia . : https://www.meetup.com/clickhouse-seoul-user-group/events/311633023/ ClickHouse Derek Ken ClickHouse . ClickHouse - - . ClickHouse . : https://github.com/ClickHouse/clickhouse-presentations/tree/master/2025-meetup-seoul-1 ******** This talk was delivered live at the ClickHouse + Dev Korea Seoul meetup on November [--] at Google Startup Campus by Derek Chia Principal TAM Architect and Ken Lee"
YouTube Link 2025-12-11T14:21Z 13.4K followers, [---] engagements
"ClickHouse at Scale This video introduces ClickHouse at scale beginning with sharding a replication in ClickHouse and how to achieve a sharded and replicated set-up. For more like this go take our free training in ClickHouse Academy: https://learn.clickhouse.com/visitor_class_catalog. Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse at scale sharding ClickHouse ClickHouse at scale sharding"
YouTube Link 2023-01-31T17:20Z 13.4K followers, 27.4K engagements
"Text to SQL with Llama Index and ClickHouse In this video we'll explore how to do Text to SQL in ClickHouse with LlamaIndex. #llamaindex #clickhouse Blog Post - https://clickhouse.com/blog/building-hackernews-stackoverflow-chatbot-with-llamaindex-and-clickhouse Waii - https://www.waii.ai/ ClickHouse ClickHouse"
YouTube Link 2024-06-06T15:18Z 13.4K followers, [----] engagements
"How to Ingest Files into ClickHouse ClickHouse has a great collection of table functions for reading files from all types of different locations including files on the web S3 GCS and Azure Blob Storage. ClickHouse also reads data in dozens of different formats like CSV TSV JSON Parquet Avro and more. Learn how to combine these two capabilities to read a file from basically anywhere and in any format. Reference links: Get Started Today: https://clickhouse.cloud/signUputm_medium=video&utm_source=clickhouse&utm_campaign=testimonials Table Functions Documentation:"
YouTube Link 2023-09-05T18:06Z 13.4K followers, 10.2K engagements
"Concurrent inserts are isolated from each other Why is ClickHouse fast (Part 1) This video explains one of the key reasons behind ClickHouse's impressive performance: its unique approach to data insertion. Learn how ClickHouse handles data insertions differently from traditional relational databases like PostgreSQL. Key points covered: Understanding ClickHouse's data part system How inserts are processed and stored The role of background merge operations Comparison with traditional RDBMS insert operations Why ClickHouse's approach enables superior insert performance The video breaks down how"
YouTube Link 2025-02-18T11:36Z 13.4K followers, [----] engagements
"Introducing the new JSON data type in ClickHouse JSON data Type with Alexey Milovidov Founder @ ClickHouse Come join us at one of our amazing meetup groups this presentation is from our New York meetup on March 26th: https://www.meetup.com/clickhouse-new-york-user-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse ClickHouse ClickHouse"
YouTube Link 2025-04-17T05:03Z 13.4K followers, [----] engagements
"Lazy materialization in ClickHouse Discover the power of lazy materialization in ClickHouse [----] This game-changing optimization defers column reading for as long as possible making your top-end queries significantly more efficient especially when returning string columns in your results. We show you how lazy materialization works using a real Amazon Reviews dataset with [---] million rows. You'll see the performance difference when the optimization is enabled versus disabled and understand why this feature is particularly valuable for queries that use ORDER BY with LIMIT clauses. The demo runs"
YouTube Link 2025-06-06T16:12Z 13.4K followers, [----] engagements
"Open House NYC: ClickHouse for AI/ML Zach Naimon Principal Product Manager at ClickHouse discusses the latest developments in agent-facing analytics and how ClickHouse supports. Session recording from Open House roadshow NYC [----]. https://clickhouse.com/openhouse/nyc ClickHouse ClickHouse"
YouTube Link 2025-10-22T14:30Z 13.4K followers, [---] engagements
"Tesla-Scale Metrics with ClickHouse Alon Tal Senior Staff Software Engineer at Tesla talks about Comet Tesla's internal system built with ClickHouse for ingesting storing and querying metrics at massive scale. Session recording from Open House the ClickHouse user conference. https://clickhouse.com/openhouse ClickHouse Tesla open source database observability log data ClickHouse Tesla open source database observability log data"
YouTube Link 2025-06-11T15:19Z 13.4K followers, [----] engagements
"Building real-time applications with ClickHouse Materialized Views Tristan Ahmadi Solutions Architect at ClickHouse ClickHouse ClickHouse"
YouTube Link 2024-09-17T19:50Z 13.4K followers, [----] engagements
"New SQL features in ClickHouse [-----] A quick example-driven look at three SQL additions in ClickHouse 25.10: a NULL-aware comparator end-of-result pagination that keeps ordering intact and a shorter way to limit rows per group. 🔸 IS NOT DISTINCT FROM for clear TRUE/FALSE results when NULLs appear 🔸 Negative LIMIT and OFFSET to pull the last N rows and browse backwards still in ascending order (property sales example) SQL-25.10-Take1 🔸 LIMIT BY ALL to de-duplicate repeated combos with a single keyword Release blog - https://clickhouse.com/blog/clickhouse-release-25-10 ClickHouse ClickHouse"
YouTube Link 2025-11-27T15:35Z 13.4K followers, [----] engagements
"An intro to Refreshable Materialized Views In this video we'll learn about Refreshable Materialized Views in ClickHouse. Refreshable materialized views are conceptually similar to materialized views in traditional OLTP databases. They store the result of a specified query for quick retrieval and reduce the need to repeatedly execute resource-intensive queries. 🟡 Docs - https://clickhouse.com/docs/en/materialized-view/refreshable-materialized-view Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2024-11-21T14:16Z 11.2K followers, [----] engagements
"Saving million+ dollars with ClickHouse: Zomato's Logging Platform Journey - Amnol & Palash (Zomato) Anmol Virmani and Palash Goel discuss how Zomato has leveraged ClickHouse to optimize their logging platform resulting in significant cost savings and improved performance. Anmol Virmani is a software techie who thrives on tackling big challenges with a touch of fun. His expertise lies in solving complex problems with creative solutions maintaining an enjoyable journey throughout. Palash Goel is a Software Engineer with a keen interest in big data technologies and distributed systems. He is"
YouTube Link 2024-06-12T07:15Z [----] followers, [---] engagements
"Real-time Fraud Detection with Yoda and ClickHouse - Shen Zhu (Instacart) This presentation was given at the ClickHouse Community Meetup in San Francisco - https://www.meetup.com/clickhouse-silicon-valley-meetup-group/events/296334923/ If you are interested in attending a future event please join a Meetup Group near you at https://www.meetup.com/pro/clickhouse To get started with ClickHouse visit https://clickhouse.com/ to download or start a free ClickHouse Cloud Trial"
YouTube Link 2023-11-30T14:13Z [----] followers, [---] engagements
"Powering the Energy Transition with ClickHouse Analytics - Nicolas Vecoven Haulogoy This presentation was delivered at the ClickHouse Meetup in Gent Belgium If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse"
YouTube Link 2025-03-21T01:35Z 11.1K followers, [--] engagements
"Using ClickHouse for Fun and Profit - Haroen Vermylen CTO Luzmo This presentation was delivered at the ClickHouse Meetup in Gent Belgium If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse"
YouTube Link 2025-03-21T01:32Z 11K followers, [---] engagements
"ClickHouse NYC Meetups: Luzmo Haroen Vermylen CTO & Founder @ Luzmo. See how they are using ClickHouse as a swiss army knife for their use case. Come join us at one of our amazing meetup groups this presentation is from our New York meetup on March 26th: https://www.meetup.com/clickhouse-new-york-user-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-04-15T15:03Z 11.8K followers, [---] engagements
"Observability with ClickHouse (Boris Tane Baselime.io) A "behind the scenes" view into building an observability solution with ClickHouse. This presentation was given at the ClickHouse community meeutp in London - https://www.meetup.com/clickhouse-london-user-group/events/292892824/ The slides are available at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup75"
YouTube Link 2023-06-06T16:27Z 10.3K followers, [----] engagements
"Managing ClickHouse Dictionaries at Cloudflare James Morrison of Cloudflare discusses managing ClickHouse dictionaries at scale. He traces its history at Cloudflare and details how these essential tools for data queries have evolved in size and source. #clickhouse #logging"
YouTube Link 2023-09-27T11:25Z 11.4K followers, [----] engagements
"ClickHouse v22.06 Release Webinar"
YouTube Link 2022-06-16T17:18Z [----] followers, [----] engagements
"Accelerate Data Analytics: Cloudflare's Implementation of ClickHouse - Harunobu Kameda (Cloudflare) Cloudflare Japan CloudflareClickHouse This presentation was given at the ClickHouse meetup in Tokyo on June [--] [----]. The presentation is delivered in Japanese with English subtitles. The slides can be found at https://github.com/ClickHouse/clickhouse-presentations/tree/master/meetup112"
YouTube Link 2024-08-14T07:57Z [----] followers, [---] engagements
"Observability and Real-Time insights in Biodiversity Data - Rudi Broekhuizen Naturalis Museum This presentation was delivered at the ClickHouse Meetup in Amsterdam. If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse"
YouTube Link 2025-03-31T05:41Z [----] followers, [---] engagements
"ClickHouse [--] [----] . ( 1)"
YouTube Link 2019-12-11T16:54Z [----] followers, [--] engagements
"ClickHouse Community Call & [-----] Release"
YouTube Link 2023-12-05T17:01Z [----] followers, [----] engagements
"ClickHouse: - [--] 2020"
YouTube Link 2020-10-01T21:06Z [----] followers, [--] engagements
"Ingesting data from Redpanda into ClickHouse In this video we'll learn how to ingest data from RedPanda into Clickhouse using Clickhouse's Kafka engine. The tutorial guides viewers through setting up a RedPanda streaming data platform creating a topic for wiki events and using the rpk and kcat tools to administer and ingest data into Redpanda. We also learn how to setup ClickHouse to ingest streaming data and run a couple of queries to identify frequent updaters and differentiate between bots and humans. #DataEngineering #RedPanda #Clickhouse #Kafka #StreamingData #BigDataAnalytics. RedPanda"
YouTube Link 2023-12-01T14:00Z 10.9K followers, [----] engagements
"ClickHouse Meetup Athens"
YouTube Link 2020-03-05T19:36Z [----] followers, [---] engagements
"HEX + ClickHouse - Building Real-time Analytics Apps at Scale HEX + ClickHouse - Building Real-time Analytics Apps at Scale #realtimeanalytics #clickhouse"
YouTube Link 2023-08-03T14:16Z [----] followers, [----] engagements
"ClickHouse ClickHouse Architecture and Use Cases 2025123ClickHouse Meetup : https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-tokyo-1/Talk%201%20-%20ClickHouse%20Architecture%20-%20Tokyo%20Meetup_23Jan25.pdf ClickHouse ClickHouse ClickHouse _____________ This presentation was given at the ClickHouse meetup in Tokyo on January [--] [----]. The presentation is in Japanese. Slides can be found here: https://github.com/ClickHouse/clickhouse-presentations/blob/master/2025-meetup-tokyo-1/Talk%201%20-%20ClickHouse%20Architecture%20-%20Tokyo%20Meetup_23Jan25.pdf ClickHouse"
YouTube Link 2025-03-01T07:41Z [----] followers, [--] engagements
"Funnel Analysis with ClickHouse In this video we'll learn about conducting funnel analysis using ClickHouse. With the help of a UK weather dataset we'll explore the UK's changeable weather searching for the number of times that different combinations of weather conditions have happened over the last few years. #Clickhouse #DataAnalysis #FunnelAnalysis #WeatherData #DataScience #programming windowFunnel documentation - https://clickhouse.com/docs/en/sql-reference/aggregate-functions/parametric-functions#windowfunnel Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2024-01-02T16:38Z 11.2K followers, [----] engagements
"What-If energy cost analysis with Streamlit and ClickHouse In this video we'll learn how to build an interactive Streamlit application using chdb to analyze household energy usage data. We'll generate plot.ly charts showing the cost of energy usage over the last year as well as doing what-if analysis to compare energy costs across timeframes and tariffs. #ClickHouse #chdb #streamlit #plotly Resources: Code - https://github.com/ClickHouse/clickhouse-recipes/blob/main/recipes/streamlit-chdb/README.md chDB - https://github.com/chdb-io/chdb Streamlit - https://streamlit.io/ plot.ly -"
YouTube Link 2024-01-18T15:46Z 10.5K followers, [----] engagements
"The State of SQL Observability - Pradeep Chhetri (ClickHouse) This presentation was given at the ClickHouse meetup in Singapore on July [--] [----]. The slides can be found at https://clickhou.se/the-state-of-sql-o11y-pradeep-chhetri-jul2024 The State of SQL-Based Observability Many successful paradigms in engineering and computer science are the result of two distinct approaches colliding with each other leading to broader and more powerful applications. In this talk well look at the parallel backgrounds of two established paradigms: SQL and Observability. Well be tracing back the history of"
YouTube Link 2024-07-18T07:02Z [----] followers, [---] engagements
"San Francisco March [----] Meetup: Nuon Presented by Fred Diego Lead Engineer & Jon Morehouse Founder CEO @ Nuon. See how they are leveraging ClickHouse for their OTEL use case. Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 19th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database #observability #otel Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-04-15T04:35Z 10.1K followers, [---] engagements
"The Path to (Gen)AI Adoption - Bas Dudink Denodo This presentation was delivered at the ClickHouse Meetup in Amsterdam. If you are interested in speaking at a future ClickHouse meetup please join a group near you https://www.meetup.com/pro/clickhouse"
YouTube Link 2025-03-31T05:38Z [----] followers, [--] engagements
"Alexey Milovidov @ San Francisco March [----] Meetup: Building Analytics Applications on ClickHouse Presented by Alexey Milovidov Come join us at one of our amazing meetup groups this presentation is from our San Francisco meetup on March 12th: https://www.meetup.com/clickhouse-silicon-valley-meetup-group #programming #clickhouse #database Don't forget to give us a on Github https://github.com/clickhouse/clickhouse"
YouTube Link 2025-03-26T01:24Z 11.7K followers, [---] engagements
"ClickHouse Online Meetup China June [--] 2021: JIT in ClickHouse by Maksim Kita Yandex"
YouTube Link 2021-07-07T15:00Z [----] followers, [---] engagements
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