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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5945) Reduce buffer copies in IPC server response path
Date Fri, 21 Dec 2012 04:25:24 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-5945:
-------------------------

    Fix Version/s: 0.96.0
    
> 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: 0.96.0
>            Reporter: Todd Lipcon
>            Assignee: stack
>            Priority: Blocker
>             Fix For: 0.96.0
>
>         Attachments: 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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