ClickHouse
@ClickHouseDB
ClickHouse is the fastest open-source OLAP database ⚡ Download: http://clickhouse.com GitHub: http://clickhou.se/GitHub Slack: http://clickhouse.com/slack
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The open-source Agentic Data Stack is here 🔥 👉 clickhou.se/3JLVPI1 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…
⚠️ Mixing memory allocators is asking for trouble. clickhou.se/3LPhRdC Upgrading chDB to ClickHouse 25.8 exposed exactly this problem: when you embed ClickHouse in Python, you're mixing two different allocators (Python's malloc and jemalloc). If memory allocated by one…
A few years ago, @Klaviyo hit a scaling wall. clickhou.se/4o8lUPM Their segmentation engine took over an hour to evaluate customer segments, with logic spread across Python, MySQL, and Cassandra. For a rapidly growing marketing platform, they needed something faster.…
We’re excited to announce a new integration between ClickHouse and Microsoft OneLake, powered by OneLake Tables APIs + Apache Iceberg. With this update, you can run lightning-fast queries from ClickHouse directly on Iceberg tables in OneLake - with zero data movement required.…
New ClickStack guides for infrastructure observability! clickhou.se/4r4a9fO Get your observability data into HyperDX in minutes: → Kafka metrics → Kubernetes cluster visibility → Nginx logs and traces → PostgreSQL logs and metrics → Redis logs and metrics And even…
SaaS security platform @recolabs_ai ingests 12B events/day, runs 60B reads and 30B writes, and runs continuous scans across PBs of data. clickhou.se/4r5BONl “Postgres can’t do that—but @ClickHouseDB does it in seconds.” Read the story of Reco’s migration to ClickHouse…
How do you make hashing 2x faster? Add some Rust 🦀 clickhou.se/49GdwDo A few years back, we integrated the BLAKE3 hash function (written in Rust) into ClickHouse as an experiment. The results: 🔹 2x faster than SHA256 🔹 Faster than MD5, but actually secure 🔹 Protected…
"Everyone is saying AI, AI, AI. It is so boring." clickhouse.com/videos/web-sum… Alexey Milovidov opened his @WebSummit talk by loading 81.5TB of human knowledge into ClickHouse in 72 minutes. Then he: * Compressed it better than Parquet (46TB → 33TB) * Loaded Wikipedia in 6 seconds…
clickhouse.com
Alexey Milovidov at Web Summit 2025: Working with massive datasets at scale
Alexey Milovidov at Web Summit 2025: Working with massive datasets at scale
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. clickhou.se/4paVEFg What you can do with this approach: -…
Ever need to find the longest streak in your data? 📊 clickhou.se/498Ai6S 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…
🇹🇭 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. 📊…
🇨🇳 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：clickhou.se/49NQIl8
Last week we released StockHouse — a live market analytics demo built with ClickHouse, Massive, and Perspective. clickhou.se/47DRW11 It streams real-time stock and crypto data, ingests millions of events per second, and updates dashboards in milliseconds. We just…
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…
Managing infra just isn’t the same as shipping features. clickhou.se/4hV7Ibb @MerkleScience migrated to ClickHouse Cloud and never looked back: ⏱️ 3x faster ingestion 🚀 Dev cycles unblocked 📈 18M+ queries handled per week 🧘 No more infra anxiety
🇮🇳 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…
🇨🇳 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…
🚀 Part 3 of our data warehouse series at @ClickHouseDB. From 30-45min SQL queries → instant natural language insights ⚡clickhou.se/49NWnrm DWAINE (our AI analyst): ✨ 250+ users daily ✨ Handles 70% of analytics ✨ Reduced DWH team load by 50-70% "Show top 5 services by…
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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