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https://issues.apache.org/jira/browse/HBASE-5945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13822472#comment-13822472
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Hadoop QA commented on HBASE-5945:
----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12613551/5945v2.txt
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 6 new
or modified tests.
{color:green}+1 hadoop1.0{color}. The patch compiles against the hadoop
1.0 profile.
{color:red}-1 hadoop2.0{color}. The patch failed to compile against the
hadoop 2.0 profile.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/7862//console
This message is automatically generated.
> 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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