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https://issues.apache.org/jira/browse/SOLR-10141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15868132#comment-15868132
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Yonik Seeley commented on SOLR-10141:
-------------------------------------
Adding a guard in the test code is easy enough (just check if "live" has
already been set to false), but that then causes an additional problem: a
memory leak since size() != (adds-removes) at the end (i.e. the removal
listener is not called for all items).
It looks like the removal listener is called the correct number of times, but
not always with the correct value. My guess is that it's somehow related to
concurrent use of equal keys with different values.
> Caffeine cache causes BlockCache corruption
> --------------------------------------------
>
> Key: SOLR-10141
> URL: https://issues.apache.org/jira/browse/SOLR-10141
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Yonik Seeley
> Attachments: SOLR-10141.patch
>
>
> After fixing the race conditions in the BlockCache itself (SOLR-10121), the
> concurrency test passes with the previous implementation using
> ConcurrentLinkedHashMap and fail with Caffeine.
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