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https://issues.apache.org/jira/browse/YARN-2730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14196021#comment-14196021
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Hudson commented on YARN-2730:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #733 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/733/])
YARN-2730. DefaultContainerExecutor runs only one localizer at a time.
Contributed by Siqi Li (jlowe: rev 6157ace5475fff8d2513fd3cd99134b532b0b406)
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DefaultContainerExecutor.java
> DefaultContainerExecutor runs only one localizer at a time
> ----------------------------------------------------------
>
> Key: YARN-2730
> URL: https://issues.apache.org/jira/browse/YARN-2730
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: Siqi Li
> Assignee: Siqi Li
> Priority: Critical
> Fix For: 2.6.0
>
> Attachments: YARN-2730.v1.patch, YARN-2730.v2.patch,
> YARN-2730.v3.patch
>
>
> We are seeing that when one of the localizerRunner stuck, the rest of the
> localizerRunners are blocked. We should remove the synchronized modifier.
> The synchronized modifier appears to have been added by
> https://issues.apache.org/jira/browse/MAPREDUCE-3537
> It could be removed if Localizer doesn't depend on current directory
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