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https://issues.apache.org/jira/browse/MAPREDUCE-2239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999795#comment-12999795
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Hadoop QA commented on MAPREDUCE-2239:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12469219/MAPREDUCE-2239-2.txt
against trunk revision 1074251.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output:
https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/41//console
This message is automatically generated.
> BlockPlacementPolicyRaid should call getBlockLocations only when necessary
> --------------------------------------------------------------------------
>
> Key: MAPREDUCE-2239
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2239
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: contrib/raid
> Affects Versions: 0.23.0
> Reporter: Scott Chen
> Assignee: Scott Chen
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-2239-1.txt, MAPREDUCE-2239-2.txt,
> MAPREDUCE-2239.txt
>
>
> Currently BlockPlacementPolicyRaid calls getBlockLocations for every
> chooseTarget().
> This puts pressure on NameNode. We should avoid calling if this file is not
> raided or a parity file.
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