v.20.9Improvement

Support Custom Codecs in Compact Parts

Support custom codecs in compact parts. #12183 (Anton Popov).
Support for custom codecs in compact parts in ClickHouse storage format.

Why it matters

This feature allows users to apply custom compression codecs specifically when using compact parts in ClickHouse. It improves flexibility in optimizing storage and performance by enabling tailored data compression methods that better fit diverse workloads and data characteristics.

How to use it

Users can enable custom codecs by specifying the desired codec in the table or column settings when working with tables that use compact parts. This typically involves adjusting the codec definitions in the table schema or during data ingestion to leverage the new compression support.