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https://issues.apache.org/jira/browse/OAK-9797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17553674#comment-17553674
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Marcel Reutegger commented on OAK-9797:
---------------------------------------
I'm able to reproduce on a FileCache with zero size. See additional assert in
FileCacheTest#zeroCache in https://github.com/apache/jackrabbit-oak/pull/593
The fix I propose is rather simple. FileCacheStats for the zero size cache just
gets an empty CacheLIRS.
[~rishudaim], WDYT?
> Direct access blob cache override breaks metrics and monitoring
> ---------------------------------------------------------------
>
> Key: OAK-9797
> URL: https://issues.apache.org/jira/browse/OAK-9797
> Project: Jackrabbit Oak
> Issue Type: Bug
> Reporter: Rishabh Kumar
> Assignee: Marcel Reutegger
> Priority: Major
>
> We are getting several exceptions in the CacheStats
> (DataStore-DownloadCache) after overriding certain parameters.
>
> List of overrridden params includes (but not limited to):
> minRecordLength
> maxCachedBinarySize
> cacheSize
> {color:#172b4d}directAccess/{color}[author|publish]{color:#172b4d}/blobCacheSize{color}
>
> {color:#172b4d}All the fields in Stats/Metrics gave
> java.lang.UnSupportedOperationException{color}
>
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