v.22.9Improvement

ClickHouse Keeper: Close Active Sessions on Shutdown to Reduce Read-Only Errors

Official CH changelog text
ClickHouse Keeper: properly close active sessions during shutdown. #41215 (Antonio Andelic). This lowers the period of "table is read-only" errors.
ClickHouse Keeper now properly closes active sessions during shutdown.

Why it matters

This feature reduces the duration of "table is read-only" errors by ensuring active sessions are correctly terminated when ClickHouse Keeper shuts down, improving system stability and availability.

How to use it

The improved session handling is integrated into ClickHouse Keeper by default; no additional user configuration is required to benefit from this enhancement.

Related resources

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