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https://issues.apache.org/jira/browse/HBASE-5945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13823378#comment-13823378
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Devaraj Das commented on HBASE-5945:
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Skimmed it. Looks okay to me. Any chance of getting perf numbers. If not, fine
as well. Also, just wondering would it be possible to apply the pattern on the
read side as well?
> Reduce buffer copies in IPC server response path
> ------------------------------------------------
>
> Key: HBASE-5945
> URL: https://issues.apache.org/jira/browse/HBASE-5945
> Project: HBase
> Issue Type: Improvement
> Components: IPC/RPC
> Affects Versions: 0.95.2
> Reporter: Todd Lipcon
> Assignee: stack
> Fix For: 0.96.1
>
> Attachments: 5945-in-progress.2.1.patch, 5945-in-progress.2.patch,
> 5945-in-progress.patch, 5945v2.txt, buffer-copies.txt, even-fewer-copies.txt,
> hbase-5495.txt
>
>
> The new PB code is sloppy with buffers and makes several needless copies.
> This increases GC time a lot. A few simple changes can cut this back down.
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