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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5481) Uber job reducers hang waiting to shuffle map outputs
Date Thu, 14 Nov 2013 01:24:18 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13822071#comment-13822071
] 

Hadoop QA commented on MAPREDUCE-5481:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12613729/MAPREDUCE-5481-1.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 1 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-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient:

                  org.apache.hadoop.mapreduce.v2.app.TestRMContainerAllocator
                  org.apache.hadoop.mapred.TestJobCleanup

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4198//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4198//console

This message is automatically generated.

> Uber job reducers hang waiting to shuffle map outputs
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-5481
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5481
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, test
>    Affects Versions: 3.0.0
>            Reporter: Jason Lowe
>            Assignee: Xuan Gong
>            Priority: Blocker
>         Attachments: MAPREDUCE-5481-1.patch, MAPREDUCE-5481.patch, MAPREDUCE-5481.patch,
syslog
>
>
> TestUberAM has been timing out on trunk for some time now and surefire then fails the
build.  I'm not able to reproduce it locally, but the Jenkins builds have been seeing it fairly
consistently.  See https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1529/console



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