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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.

We benchmarked the five major cloud data warehouses at 1B–100B rows using their real billing models to measure performance per dollar. Results show how cost-performance shifts as data grows.

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How the 5 major cloud data warehouses compare on cost-performance

This guide explains how the five major cloud data warehouses—Snowflake, Databricks, ClickHouse Cloud, BigQuery, and Redshift—allocate, meter, and bill compute, giving engineers a clear understanding of what the billing units mean and how to compare them.

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How the 5 major cloud data warehouses really bill you: A unified, engineer-friendly guide

Read how Streamfold’s Rotel pushes OpenTelemetry 4x faster into ClickHouse - benchmarking efficiency at scale and revealing the tools that make it happen

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From OTel to Rotel: Petabyte-scale tracing with 4x greater throughput

chDB recently upgraded the ClickHouse kernel from v25.5 to v25.8.2.29. This blog post goes through that journey.

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chDB Kernel Upgrade Journey: Upgrading ClickHouse to v25.8.2.29 

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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Building StockHouse: Real-time market analytics with ClickHouse

Learn how we evolved our internal 2.1 PB data warehouse from traditional BI to an AI-first analytics platform

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How we made our internal data warehouse AI-first 

Learn about how failover-ready replication slots keep Postgres CDC pipelines running without interruption.

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ClickPipes for Postgres now supports failover replication slots

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 on team activities across GitHub repositories.

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I've created a website to track the team's activity

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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ClickHouse Release 25.10

Discover what’s new in ClickStack this month, including event deltas, multiline search, enhanced filtering, and more! 

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What's new in ClickStack. October '25.

Is it possible to derive global weather data from airplanes telemetry?

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Global weather data from flying airplanes

Learn how to implement log clustering with Drain3 and ClickHouse UDFs to automatically structure raw application logs. 

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 Improve logs compression with log clustering

We added QBit to ClickHouse, a column type that stores floats as bit planes. It lets you choose how many bits to read during vector search, tuning recall and performance without changing the data.

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We built a vector search engine that lets you choose precision at query time

A walkthrough showing how to trace an OpenAI agents app.

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Tracing OpenAI agents with ClickStack

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