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https://issues.apache.org/jira/browse/MAPREDUCE-4990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13606220#comment-13606220
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Hudson commented on MAPREDUCE-4990:
-----------------------------------
Integrated in Hadoop-Yarn-trunk #160 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/160/])
MAPREDUCE-4990. Construct debug strings conditionally in
ShuffleHandler.Shuffle#sendMapOutput(). (kkambatl via tucu) (Revision 1457914)
Result = SUCCESS
tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1457914
Files :
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java
> Construct debug strings conditionally in
> ShuffleHandler.Shuffle#sendMapOutput()
> -------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4990
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4990
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 2.0.3-alpha, 0.23.5
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Priority: Trivial
> Fix For: 2.0.5-beta
>
> Attachments: mr-4990.patch
>
>
> In {{#sendMapOutput()}}, the debug statements are not wrapped in the
> customary {{#isDebugEnabled()}} condition. Given this piece of code is
> critical for performance, it would be nice to fix it.
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