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https://issues.apache.org/jira/browse/YARN-112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626117#comment-13626117
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Hadoop QA commented on YARN-112:
--------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12577672/yarn-112-20130408.1.patch
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 2 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager:
org.apache.hadoop.mapred.TestMRWithDistributedCache
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/689//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/689//console
This message is automatically generated.
> Race in localization can cause containers to fail
> -------------------------------------------------
>
> Key: YARN-112
> URL: https://issues.apache.org/jira/browse/YARN-112
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 0.23.3
> Reporter: Jason Lowe
> Assignee: Omkar Vinit Joshi
> Fix For: 2.0.5-beta
>
> Attachments: yarn-112-20130325.1.patch, yarn-112-20130325.patch,
> yarn-112-20130326.patch, yarn-112-20130408.1.patch, yarn-112-20130408.patch,
> yarn-112.20131503.patch
>
>
> On one of our 0.23 clusters, I saw a case of two containers, corresponding to
> two map tasks of a MR job, that were launched almost simultaneously on the
> same node. It appears they both tried to localize job.jar and job.xml at the
> same time. One of the containers failed when it couldn't rename the
> temporary job.jar directory to its final name because the target directory
> wasn't empty. Shortly afterwards the second container failed because job.xml
> could not be found, presumably because the first container removed it when it
> cleaned up.
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