v.21.9Improvement
Add Column Size Information for Log and TinyLog Tables in system.columns
Add information about column sizes insystem.columnstable forLogandTinyLogtables. This closes #9001. #26241 (Nikolay Degterinsky).
Why it matters
This feature provides visibility into the storage size of individual columns inLog and TinyLog tables, enabling better analysis and optimization of disk space usage. Previously, column size details were not available for these table types in the system metadata.How to use it
Simply query thesystem.columns table for Log or TinyLog tables. The new size information is automatically included without additional configuration or setup.