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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-223) Change processTree interface to work better with native code
Date Thu, 20 Dec 2012 00:27:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13536638#comment-13536638
] 

Hudson commented on YARN-223:
-----------------------------

Integrated in Hadoop-trunk-Commit #3144 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/3144/])
    YARN-223. Update process tree instead of getting new process trees. (Radim Kolar via llu)
(Revision 1424244)

     Result = SUCCESS
llu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1424244
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Task.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRConfig.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/LinuxResourceCalculatorPlugin.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/ProcfsBasedProcessTree.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/util/TestProcfsBasedProcessTree.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/LinuxResourceCalculatorPlugin.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ResourceCalculatorPlugin.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ResourceCalculatorProcessTree.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestProcfsBasedProcessTree.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestResourceCalculatorProcessTree.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/ContainersMonitorImpl.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/monitor/TestContainersMonitor.java

                
> 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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