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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1367) After restart NM should resync with the RM without killing containers
Date Wed, 25 Jun 2014 00:54:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-1367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14042912#comment-14042912
] 

Hadoop QA commented on YARN-1367:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12652318/YARN-1367.002.patch
  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 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
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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-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/4070//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4070//console

This message is automatically generated.

> After restart NM should resync with the RM without killing containers
> ---------------------------------------------------------------------
>
>                 Key: YARN-1367
>                 URL: https://issues.apache.org/jira/browse/YARN-1367
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Bikas Saha
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-1367.001.patch, YARN-1367.002.patch, YARN-1367.prototype.patch
>
>
> After RM restart, the RM sends a resync response to NMs that heartbeat to it.  Upon receiving
the resync response, the NM kills all containers and re-registers with the RM. The NM should
be changed to not kill the container and instead inform the RM about all currently running
containers including their allocations etc. After the re-register, the NM should send all
pending container completions to the RM as usual.



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