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

We see ClickHouse and Grafana as a key part of the observability experience. Here's our vision for making the plugin more powerful and easier to use.

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Our vision for the ClickHouse Grafana plugin

Learn how ClickHouse uses primary indexes, lightweight projections, and skip indexes to prune data before reading it. Demonstrated  on a 243 million row UK property sales dataset.

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Index-based pruning in ClickHouse

ClickStack’s March release introduces smarter Event Deltas, AI-powered notebooks, and full SQL chart flexibility, making investigation faster and dashboards more powerful.

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What's new in ClickStack - March 2026

A Solutions Architect’s experience building a retail analytics platform with AI agents, real-time dashboards, and full observability on the ClickHouse data platform

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Agentic coding with ClickHouse. One person, one data stack, one full-stack application

Mintlify replaced PostHog with ClickHouse Cloud, cutting dashboard load times from tens of seconds to under a second, eliminating rate limit errors, and achieving a 30% NPS improvement at 60% lower cost.

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Mintlify boosts NPS 30% and saves 60% with real-time analytics on 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.

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

Rill uses ClickHouse to power real-time operational BI for 100B+ daily events, enabling instant exploration and conversational analytics directly against live datasets through a declarative, BI-as-code workflow.

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How Eisan made POS analytics faster, cheaper, and more reliable with ClickHouse Cloud

FOSDEM 2026 took place on 31 January and 1 February in Brussels, and it was a great weekend for the ClickHouse community, both inside the conference rooms and out.

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ClickHouse at FOSDEM 2026

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.

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

ClickHouse 26.3 is here! In this release, async inserts are turned on by default, we've got more JOIN reordering, materialized CTES have arrived, and more!

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ClickHouse Release 26.3

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

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How Respan is scaling LLM observability with ClickHouse Cloud

Discover how Postgres managed by ClickHouse compares to its peers in a reproducible, open benchmark.

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PostgresBench: A Reproducible Benchmark for Postgres Services

ClickStack gets a literary upgrade with "AI Summarize", transforming raw logs into vivid, story-driven narratives that finally explain what's really happening in your systems.

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We taught ClickStack to read your logs like a detective novel

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Rill and ClickHouse: real-time operational BI for a metered world

How to remain competitive in the AI era of software engineering

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Agentic coding at ClickHouse

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

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April 2026 newsletter