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Date: Wed, 19 Oct 2011 07:07:11 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (MAPREDUCE-3162) Separate application-init and
 container-init event types in NM's ApplicationImpl FSM
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13130422#comment-13130422 ] 

Hudson commented on MAPREDUCE-3162:
-----------------------------------

Integrated in Hadoop-Mapreduce-trunk-Commit #1127 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/1127/])
    MAPREDUCE-3162. Separated application-init and container-init event types in NodeManager's Application state machine. Contributed by Todd Lipcon.

vinodkv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1185988
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/ContainerManagerImpl.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/application/ApplicationContainerInitEvent.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/application/ApplicationEventType.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/application/ApplicationImpl.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/application/ApplicationInitEvent.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/application/TestApplication.java

                
> Separate application-init and container-init event types in NM's ApplicationImpl FSM
> ------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3162
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3162
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2, nodemanager
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-3162-20111019.1.txt, MAPREDUCE-3162-20111019.txt, mr-3162.txt, mr-3162.txt
>
>
> Currently, the ApplicationImpl receives an INIT_APPLICATION event on every container initialization. Only on the first one does it really mean to init the application, whereas all subsequent events are for specific containers. This JIRA is to separate the events into INIT_APPLICATION, sent once and only once per application, and INIT_CONTAINER, which is sent for every container. The first container sends INIT_APPLICATION followed by INIT_CONTAINER.

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