v.22.7Improvement

Don't Increment Counter for Non-Rotational Disks

Official CH changelog text
Don't increment a counter in system.errors when the disk is not rotational. #39216 (Raúl Marín).
ClickHouse no longer increments the error counter in system.errors when encountering disk errors on non-rotational (SSD) drives.

Why it matters

This change prevents misleading error reporting in system.errors by excluding non-rotational disks from error count increments, improving the accuracy of disk-related monitoring and diagnostics.

How to use it

This feature is applied automatically in ClickHouse version including this fix. No user action is needed to enable it.

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