How ClickHouse Uses Apache Arrow

The ClickHouse adapter for dbt v2 is in public beta, powered by dbt’s Rust engine. ClickHouse also joins the dbt platform in private beta, supporting open-source ClickHouse and ClickHouse Cloud.

After claims that ClickHouse is “winning the observability wars” sparked debate, we reflect on why it has become a leading storage and query engine, where it still falls short, and why winning the database layer isn’t the same as winning observability.

ClickHouse was released in open source on Jun 15 2016, ten years ago. Since then, it became the most popular open source analytical database with more than 2000 contributors.

ClickHouse now has an official ADBC driver, giving Ruby, R, C, and every other ADBC-aware tool zero-conversion, Arrow-native access to ClickHouse without a dedicated client for each language.

This article discusses the transition from OpenTelemetry (OTel) to Rotel, an open-source Rust project that enhances tracing capabilities at petabyte scale.

The article discusses the development of StockHouse, a real-time market analytics application that leverages ClickHouse, Massive, and Perspective to handle high-frequency financial data.

ClickHouse version 25. 8 introduces 45 new features, 47 performance optimizations, and 119 bug fixes, enhancing its capabilities as a high-performance analytical database.

This article explores the integration of the Perspective library with ClickHouse to create real-time visualizations of streaming Forex data.

This article delves into the Apache Parquet format and its integration with ClickHouse, focusing on file reading and writing optimizations.