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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1922) Process group remains alive after container process is killed externally
Date Sat, 01 Nov 2014 20:16:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-1922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14193442#comment-14193442
] 

Hadoop QA commented on YARN-1922:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12678706/YARN-1922.5.patch
  against trunk revision 36ccf09.

    {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}.  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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager.

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/5679//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/5679//console

This message is automatically generated.

> Process group remains alive after container process is killed externally
> ------------------------------------------------------------------------
>
>                 Key: YARN-1922
>                 URL: https://issues.apache.org/jira/browse/YARN-1922
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.4.0
>         Environment: CentOS 6.4
>            Reporter: Billie Rinaldi
>            Assignee: Billie Rinaldi
>         Attachments: YARN-1922.1.patch, YARN-1922.2.patch, YARN-1922.3.patch, YARN-1922.4.patch,
YARN-1922.5.patch
>
>
> If the main container process is killed externally, ContainerLaunch does not kill the
rest of the process group.  Before sending the event that results in the ContainerLaunch.containerCleanup
method being called, ContainerLaunch sets the "completed" flag to true.  Then when cleaning
up, it doesn't try to read the pid file if the completed flag is true.  If it read the pid
file, it would proceed to send the container a kill signal.  In the case of the DefaultContainerExecutor,
this would kill the process group.



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