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https://issues.apache.org/jira/browse/HBASE-16703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15522083#comment-15522083
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Andrew Purtell commented on HBASE-16703:
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Ah, I updated the description on the issue.
Next time I'm working with JFR I'll capture that info.
> Explore object pooling of SeekerState
> -------------------------------------
>
> Key: HBASE-16703
> URL: https://issues.apache.org/jira/browse/HBASE-16703
> Project: HBase
> Issue Type: Task
> Reporter: Andrew Purtell
>
> In read workloads 35% of the allocation pressure produced by servicing RPC
> requests comes from SeekerState.<init> of the DataBlockEncoder implementation
> currently in use, where we allocate two byte arrays of
> INITIAL_KEY_BUFFER_SIZE in length. There's an opportunity for object pooling
> of SeekerState here. Subsequent code checks if those byte arrays are sized
> sufficiently to handle incoming data to copy. The arrays will be resized if
> needed.
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