ClickHouse
@ClickHouseDB
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ClickHouse is the fastest open-source OLAP database ⚡ Download: https://t.co/3JKlDJbkcH GitHub: https://t.co/bjCe9qIetg Slack: https://t.co/d95c6jVeJm
Bay Area / Amsterdam
Joined January 2017
The open-source Agentic Data Stack is here 🔥 👉 https://t.co/VC88ukikSE Today, we’re excited to share that we’ve joined forces with @LibreChatAI. Together, ClickHouse and LibreChat form the foundation of the open-source Agentic Data Stack, empowering teams to deploy AI agents
clickhouse.com
We are excited to announce that ClickHouse has acquired LibreChat, the leading open-source AI chat platform.
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Your telemetry is data. Why should it only live in one place? With OTel as your routing engine, telemetry becomes pluggable infrastructure you control, no more vendor lock-in, no more reinstrumentation projects. https://t.co/bC9FKz29oJ What you can do with this approach: -
clickhouse.com
With community-standard instrumentation and the OTel Collector acting as a translation and routing engine, your metrics, logs, and traces are no longer trapped in a walled garden.
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Ever need to find the longest streak in your data? 📊 https://t.co/gnPeSTj0xK This post tackles a fun question: which ClickHouse contributor committed code for the most consecutive days? The answer involves window functions (to compare each row with its neighbors) and array
clickhouse.com
Read about how array and window functions can be used to identify sequences in data, using Git commits an example
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🇹🇭 Bangkok, we’re coming your way! Join the AWS and database community on November 25 at 6:30 PM at the AWS office for an evening of learning and networking. Discover how real-time analytics with ClickHouse is driving the future of observability and AI/ML infrastructure. 📊
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🇨🇳 将于 11 月 28 日 前往 北京·2025 软件技术大会 吗? 🎤 欢迎在下午聆听 王鹏程 的精彩演讲——他将探讨从 向量搜索优化 到 实时分析处理 等 数据库架构创新,如何推动下一代 人工智能系统与智能数据应用 的发展。更多详情请见: https://t.co/KT7d3w9jrB
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Last week we released StockHouse — a live market analytics demo built with ClickHouse, Massive, and Perspective. https://t.co/OyBGHTXIG2 It streams real-time stock and crypto data, ingests millions of events per second, and updates dashboards in milliseconds. We just
clickhouse.com
Learn more how we built StockHouse, a real-time financial analytics application with Massive, ClickHouse and Perspective that scales to thousands of events per second.
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Our CEO and co-founder, Aaron @ceo_clickhouse, sat down with @IndexVentures to share his journey from waiting tables during the dot-com crash to building ClickHouse. It’s a great behind-the-scenes look at what’s shaped him as a leader, and how that journey influences the
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Managing infra just isn’t the same as shipping features. https://t.co/6cGXN0tG8Z
@MerkleScience migrated to ClickHouse Cloud and never looked back: ⏱️ 3x faster ingestion 🚀 Dev cycles unblocked 📈 18M+ queries handled per week 🧘 No more infra anxiety
clickhouse.com
“Even if data increases by 4x or 5x in the next year, we literally don't have to worry about it. We’ve got the architecture right, the stack right, and the right platform at the end of the day.” -...
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🇮🇳 Join the database community in Mumbai on November 22 at 10:30 AM at Awfis Space Solutions in BKC for a morning of learning and networking. We’ll explore how real-time analytics with ClickHouse is powering next-level business intelligence, enhancing observability, and
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🇨🇳 Heading to the Software Technology Conference 2025 in Beijing on November 28? 🎤 Catch Auxten Wang in the afternoon as he explores how advances in database architecture, from vector search optimization to real-time analytical processing, are driving the next generation of AI
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🚀 Part 3 of our data warehouse series at @ClickHouseDB. From 30-45min SQL queries → instant natural language insights ⚡ https://t.co/tftXXbYyOj DWAINE (our AI analyst): ✨ 250+ users daily ✨ Handles 70% of analytics ✨ Reduced DWH team load by 50-70% "Show top 5 services by
clickhouse.com
Learn how we evolved our internal 2.1 PB data warehouse from traditional BI to an AI-first analytics platform
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Ready to master real-time analytics? Join our 3-part ClickHouse workshop, November 25–27 (APJ-friendly)! In three interactive sessions, you’ll learn how to build, query, and optimize real-time data systems and earn certification badges along the way. 👉 Reserve your spot:
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ClickPipes for Postgres → now with failover replication slots Built for HA and Postgres 17+. https://t.co/RR5pHGMY8w ✅ Handles failovers automatically ✅ Keeps replication state in sync ✅ Continuous change capture to ClickHouse Read here 👉
clickhouse.com
Learn about how failover-ready replication slots keep Postgres CDC pipelines running without interruption.
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🚀 What Python packages were trending in October 2025? We used AgentHouse + ClickPy to analyze PyPI download data from last month: 🌍 Geo distribution of downloads 📦 Top most downloaded package 🌱 Emerging tools to watch 🎉 Also, ClickPy just passed 2 trillion rows of PyPi
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Another week, another project by Alexey Milovidov...Meet Velocity: a GitHub analytics tool that turns repository activity into interactive horizon charts. https://t.co/evGaduWA5H Compare any open-source projects side-by-side - from programming languages (Rust vs Zig) to
clickhouse.com
Initially, I wanted to make a single report to incentivise for looking at and resolving GitHub issues. But I'm greedy, so in the end it appeared to be a website where you can compare various metrics...
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“Even though observability is a $100 billion market, it still sucks and production is on fire and no one knows why.” https://t.co/fDd7jKn5oP
@maywa1ter and her team at @hud_hq are using @ClickHouseDB to transform observability with the world’s first runtime code sensor. See
clickhouse.com
“High-cardinality data is core to how we track function-level behavior across versions. ClickHouse stood out because it handled that complexity natively, while other systems made it harder to work at...
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Remember when we built a paste service that breaks every database rule in the book? https://t.co/pmTcfHORXM It's called pastila, and it's surprisingly elegant: ⚬ Type anything → it saves automatically with every keystroke ⚬ No "publish" button, no extra clicks ⚬ The URL
clickhouse.com
Building a Paste Service With ClickHouse
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People sometimes ask: When will you stop optimizing JOIN performance? We will never stop! 🔥 https://t.co/jKDA6WZx3W ClickHouse 25.10 delivers massive JOIN improvements: ⭐️ Lazy column replication in JOINs — faster joins ⭐️ Automatic Bloom filters in JOINs — faster joins
clickhouse.com
ClickHouse 25.10 is available. In this post, you will learn about join improvements, a new data type for vector search, late materialization of secondary indices, and more!
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