v.23.4Improvement

Add Profile Events for Log Messages by Severity

Official CH changelog text
Add profile events for log messages, so you can easily see the count of log messages by severity. #49042 (Alexey Milovidov).
Added profile events for log messages to track the count of log messages by their severity level.

Why it matters

This feature enables users to monitor and analyze how many log messages are generated at each severity level, improving observability and helping diagnose issues by understanding the logging behavior of ClickHouse.

How to use it

Users can view the new profile events data to see counts of log messages categorized by severity. This can be done through ClickHouse system tables or monitoring tools that access profile events.

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