v.23.3Improvement

Keeper Enhancement: New 4LW clrs Command to Clean Resources

Official CH changelog text
Keeper improvement: Add new 4LW clrs to clean resources used by Keeper (e.g. release unused memory). #47256 (Antonio Andelic).
Added a new 4LW command clrs to ClickHouse Keeper to clean resources, such as releasing unused memory.

Why it matters

This feature improves ClickHouse Keeper by providing a way to manually free up resources that are no longer in use, helping to optimize memory usage and maintain system performance.

How to use it

Users can invoke the new clrs 4LW command on Keeper to clean resources. This can be done using standard 4LW command interfaces or tools that support sending 4LW commands to Keeper.

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