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https://issues.apache.org/jira/browse/CASSANDRA-13084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko updated CASSANDRA-13084:
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Fix Version/s: (was: 3.12)
> Avoid byte-array copy when key cache is disabled
> ------------------------------------------------
>
> Key: CASSANDRA-13084
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13084
> Project: Cassandra
> Issue Type: Bug
> Reporter: Marcus Olsson
> Assignee: Marcus Olsson
> Priority: Trivial
> Fix For: 4.0
>
> Attachments: CASSANDRA-13084-3.0.patch, CASSANDRA-13084-3.X.patch
>
>
> While profiling a cluster with the key cache disabled some unnecessary heap
> pressure was observed. It seems that even though the key cache is disabled we
> still create the *KeyCacheKey* object which uses _ByteBufferUtil.getArray()_
> to copy the keys byte array.
> I don't believe it's a big issue but it's still unnecessary when not using
> the key cache.
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