Learn about the latest ClickHouse tips, tricks and company announcements.

Retention limits, sampling, and metric roll-ups aren't observability best practices - they're workarounds for storage systems that can't handle full-fidelity data, and they're becoming a hard blocker for AI-driven workflows.

large_image10.png

medium_image10.png

small_image10.png

thumbnail_image10.png

image10.png

The three villains to agentic observability: retention, sampling and rollups

Respan AI uses ClickHouse Cloud to power high-throughput LLM observability across 50 million daily events. After outgrowing Postgres at 50-100 writes per second, the team migrated ingestion and analytics to ClickHouse Cloud. Incremental materialized views

large_respan-ai-banner.jpg

medium_respan-ai-banner.jpg

small_respan-ai-banner.jpg

thumbnail_respan-ai-banner.jpg

respan-ai-banner.jpg

How Respan is scaling LLM observability with ClickHouse Cloud

How to remain competitive in the AI era of software engineering

large_Screenshot_20260401_065949.png

medium_Screenshot_20260401_065949.png

small_Screenshot_20260401_065949.png

thumbnail_Screenshot_20260401_065949.png

Screenshot_20260401_065949.png

Agentic coding at ClickHouse

ClickStack now supports Role-Based Access Control, giving teams precise control over who can access dashboards, searches, and notebooks. With flexible roles, fine-grained permissions, and seamless ClickHouse Cloud integration.

large_clickstack-rbac-v2-cropped.png

medium_clickstack-rbac-v2-cropped.png

small_clickstack-rbac-v2-cropped.png

thumbnail_clickstack-rbac-v2-cropped.png

clickstack-rbac-v2-cropped.png

Announcing Role Based Access Control in ClickStack

Agents need real-time ingestion, fast aggregation, flexible handling of semi-structured events, low-latency concurrency, and economics that still work at massive scale. ClickHouse already has this foundation

large_567872522-9d263652-cd9a-4de4-b41c-43bcc11535ab.jpg

medium_567872522-9d263652-cd9a-4de4-b41c-43bcc11535ab.jpg

small_567872522-9d263652-cd9a-4de4-b41c-43bcc11535ab.jpg

thumbnail_567872522-9d263652-cd9a-4de4-b41c-43bcc11535ab.jpg

567872522-9d263652-cd9a-4de4-b41c-43bcc11535ab.jpg

How we’re building a data platform for a new user: agents

  ClickHouse is fast by design, but raw database speed isn't enough. This post explores how ClickStack tightly integrates with ClickHouse to generate optimized queries — from progressive time window pagination and chunked charts to automatic use of materi

large_clickstack_mar2026_image7.png

medium_clickstack_mar2026_image7.png

small_clickstack_mar2026_image7.png

thumbnail_clickstack_mar2026_image7.png

clickstack_mar2026_image7.png

How ClickStack makes ClickHouse faster for observability

AI-native observability notebooks for Managed ClickStack let engineers investigate logs, metrics, and traces with AI as a collaborator — keeping humans in control at every step.

large_Notebooks Announcement Blog.jpg

medium_Notebooks Announcement Blog.jpg

small_Notebooks Announcement Blog.jpg

thumbnail_Notebooks Announcement Blog.jpg

Notebooks Announcement Blog.jpg

Introducing AI observability notebooks for Managed ClickStack in Private Preview

ClickHouse 26.2 is here! In this post,  text-index and QBit data type become production-ready.

large_Blog Cover 1200x630.png

medium_Blog Cover 1200x630.png

small_Blog Cover 1200x630.png

thumbnail_Blog Cover 1200x630.png

Blog Cover 1200x630.png

ClickHouse Release 26.2

Search and uncover technology trends across 10 billion GitHub events in real time.

large_gittrends-banner.jpg

medium_gittrends-banner.jpg

small_gittrends-banner.jpg

thumbnail_gittrends-banner.jpg

gittrends-banner.jpg

GitTrends: A Google Trends style view of the GitHub ecosystem

The Agentic Data Stack is an open-source, composable architecture for agentic analytics: connect AI agents directly to your data, wherever you store it.

large_adsbanner.jpg

medium_adsbanner.jpg

small_adsbanner.jpg

thumbnail_adsbanner.jpg

adsbanner.jpg

The Agentic Data Stack

Welcome to the February 2026 ClickHouse newsletter, which will round up what’s happened in real-time data warehouses over the last month.

large_feb2026_nl_image8.png

medium_feb2026_nl_image8.png

small_feb2026_nl_image8.png

thumbnail_feb2026_nl_image8.png

feb2026_nl_image8.png

February 2026 newsletter

We’re open sourcing pg_stat_ch: a PostgreSQL extension that turns every query execution into a fixed-size ~4.6KB event and streams them into ClickHouse.

large_pg_stats_ch.jpg

medium_pg_stats_ch.jpg

small_pg_stats_ch.jpg

thumbnail_pg_stats_ch.jpg

pg_stats_ch.jpg

pg_stat_ch: a PostgreSQL extension that exports every metric to ClickHouse

ClickHouse 26.1 is here! In this post, you will learn about deduplication of asynchronous inserts with materialized views, new syntax for indexing projections, support for Variant in all functions, and more!

large_image4.png

medium_image4.png

small_image4.png

thumbnail_image4.png

image4.png

ClickHouse Release 26.1

Announcing Managed ClickStack, a fully managed observability platform on ClickHouse Cloud that lets you ingest, retain, and query full-fidelity logs, metrics, and traces at massive scale for a fraction of the cost.

large_managed-clickstack-banner.png

medium_managed-clickstack-banner.png

small_managed-clickstack-banner.png

thumbnail_managed-clickstack-banner.png

managed-clickstack-banner.png

Introducing Managed ClickStack and redefining the economics of observability

“We’re building observability for engineering teams working on the most complex and advanced agentic systems. ClickHouse has served us really, really well.”  Max Deichmann, Co-Founder and CTO

large_Langfuse Issue 1225.png

medium_Langfuse Issue 1225.png

small_Langfuse Issue 1225.png

thumbnail_Langfuse Issue 1225.png

Langfuse Issue 1225.png

How Langfuse is scaling LLM observability for the agentic era with ClickHouse Cloud

clickhousectl is the official CLI for ClickHouse. It manages local installations, runs local servers, and operates ClickHouse Cloud. It's designed to work for humans and AI agents alike.

Blog

Introducing clickhousectl: the CLI for ClickHouse local and cloud (beta)