[jira] [Commented] (MAPREDUCE-4951) Container preemption interpreted as task failure

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13558506#comment-13558506 ] 

Hadoop QA commented on MAPREDUCE-4951:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12565727/MAPREDUCE-4951.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3256//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3256//console

This message is automatically generated.
                
> Container preemption interpreted as task failure
> ------------------------------------------------
>
>                 Key: MAPREDUCE-4951
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4951
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster, mr-am, mrv2
>    Affects Versions: 2.0.2-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-4951.patch
>
>
> When YARN reports a completed container to the MR AM, it always interprets it as a failure.  This can lead to a job failing because too many of its tasks failed, when in fact they only failed because the scheduler preempted them.
> MR needs to recognize the special exit code value of -100 and interpret it as a container being killed instead of a container failure.

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