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https://issues.apache.org/jira/browse/HBASE-5945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HBASE-5945:
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Attachment: even-fewer-copies.txt
New rev gets rid of some more. This seems to make a noticeable difference in my
oprofile output and YCSB results. Would appreciate if other folks could verify
(yes, patch still needs more work, please don't review for style/licenses/etc)
> 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
> Affects Versions: 0.96.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
> Attachments: buffer-copies.txt, even-fewer-copies.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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