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We're excited to announce that ClickHouse Cloud is now available as a private region on Microsoft Azure UAE North (Dubai).

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ClickHouse Cloud now available on Azure UAE North: Bringing real-time analytics to the heart of the Middle East

A look back at some of my favorite benchmark-backed ClickHouse blog posts this year, and the lessons they revealed about performance in practice.

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What really matters for performance: lessons from a year of benchmarks

Looking back at Alexey's favorite ClickHouse features of the year.

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Alexey's favorite features of 2025

Welcome to the December 2025 ClickHouse newsletter, which will round up what’s happened in real-time data warehouses over the last month.

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December 2025 newsletter

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Taming PostgreSQL GUC “extra” Data

An annotated version of Alexey's presentation at the P99 conference on the use of Rust in ClickHouse.

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How to use Rust in ClickHouse: avoiding a full rewrite

A first-person engineering deep dive into how ClickHouse parallelized aggregation merges for FixedHashMap, including design choices, false starts, and performance trade-offs.

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Parallelizing ClickHouse aggregation merge for fixed hash map

“By using ClickHouse MCP, you can perform highly complex analytics, monitor data, and exercise fine-grained control.” - Cheng Sun, Solution Architect

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EMQ and ClickHouse: Real-time, AI-assisted analytics at the industrial edge

ClickHouse has achieved AWS Financial Services Competency, joining a select group of AWS Partners recognized for deep expertise in serving financial services organizations.

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ClickHouse achieves AWS Financial Services Competency

Today, we’re pleased to release pg_clickhouse, an Apache 2-licensed PostgreSQL extension to transparently execute analytics queries on ClickHouse directly from PostgreSQL.

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Introducing pg_clickhouse: A Postgres extension for querying ClickHouse

Ingest data from Amazon S3 into ClickHouse Cloud in any order for event-driven, blazing-fast analytics.

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Unordered mode for S3 ClickPipes is now available

ClickHouse joined the NYC AI Agents Hackathon as the only database sponsor, powering real time autonomous agents on live data. This recap highlights winning projects like VitalSignal and RedBot and shows how builders use ClickHouse as the real time backbo

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ClickHouse at the NYC AI Agents Hackathon: Building Agentic AI on Real‑Time Data

ClickHouse 25.11 is here! In this post, you will learn about parallel merge for small GROUP BY, projections as secondary indices, and more!

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ClickHouse Release 25.11

Discover what’s new in ClickStack this month, including service maps, root span filtering, Incident.io integration, and more!

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What's new in ClickStack. November '25.

A look back at the evolution of the Postgres CDC connector in ClickHouse Cloud over its first year, following the 2024 PeerDB acquisition. 

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Postgres CDC in ClickHouse, A year in review

Over 100 functions were added to ClickHouse in 2025. These were some of my favorites.

Blog

New functions you might have missed in 2025