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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2997) NM keeps sending finished containers to RM until app is finished
Date Tue, 30 Dec 2014 07:29:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-2997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14260882#comment-14260882
] 

Hadoop QA commented on YARN-2997:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12689447/YARN-2997.patch
  against trunk revision 249cc90.

    {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}.  There were no new javadoc 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
2.0.3) 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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager:

                  org.apache.hadoop.yarn.server.nodemanager.TestNodeStatusUpdater

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/6215//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6215//console

This message is automatically generated.

> NM keeps sending finished containers to RM until app is finished
> ----------------------------------------------------------------
>
>                 Key: YARN-2997
>                 URL: https://issues.apache.org/jira/browse/YARN-2997
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.6.0
>            Reporter: Chengbing Liu
>         Attachments: YARN-2997.patch
>
>
> We have seen in RM log a lot of
> {quote}
> INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler: Null
container completed...
> {quote}
> It is caused by NM sending completed containers repeatedly until the app is finished.
On the RM side, the container is already released, hence {{getRMContainer}} returns null.



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