v.22.7Improvement

Rethrow Exception on Filesystem Cache Initialization with Improved Error Message

Official CH changelog text
Rethrow exception on filesystem cache initialization on server startup, better error message. #39386 (Kseniia Sumarokova).
Improved error handling for filesystem cache initialization during ClickHouse server startup.

Why it matters

This feature ensures that exceptions encountered during the initialization of the filesystem cache at server startup are rethrown with clearer, more informative error messages. This helps the user identify and diagnose issues related to cache configuration or environment problems promptly, preventing silent failures or obscure errors.

How to use it

No special user action is required. The improved error handling is applied automatically during the server startup process when initializing the filesystem cache. Users will now see enhanced error messages if initialization fails.

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