[jira] [Commented] (YARN-223) Change processTree interface to work better with native code

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

    [ https://issues.apache.org/jira/browse/YARN-223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13531289#comment-13531289 ] 

Hadoop QA commented on YARN-223:
--------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12560809/pstree-update6.txt
  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 4 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:green}+1 core tests{color}.  The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 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/223//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/223//console

This message is automatically generated.
                
> Change processTree interface to work better with native code
> ------------------------------------------------------------
>
>                 Key: YARN-223
>                 URL: https://issues.apache.org/jira/browse/YARN-223
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Radim Kolar
>            Assignee: Radim Kolar
>            Priority: Critical
>         Attachments: pstree-update4.txt, pstree-update6.txt, pstree-update6.txt
>
>
> Problem is that on every update of processTree new object is required. This is undesired when working with processTree implementation in native code.
> replace ProcessTree.getProcessTree() with updateProcessTree(). No new object allocation is needed and it simplify application code a bit.

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