v.22.9Improvement

ClickHouse Keeper: Shutdown Fix and Request Size Increase

ClickHouse Keeper: fix shutdown during long commit and increase allowed request size. #40941 (Antonio Andelic).
Fixed an issue in ClickHouse Keeper where shutdown could fail during long commit operations and increased the allowed request size.

Why it matters

This update addresses problems arising when shutting down ClickHouse Keeper while a commit operation is taking a long time, ensuring a smoother and safer shutdown process. Additionally, it increases the maximum allowed request size, improving the handling of larger requests in the Keeper service.

How to use it

Users benefit from this fix automatically after upgrading to the new ClickHouse version containing this update. No additional configuration is required to enable the improved shutdown behavior or increased request size limits.