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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1337) Recover containers upon nodemanager restart
Date Tue, 12 Aug 2014 04:49:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-1337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14093733#comment-14093733
] 

Hadoop QA commented on YARN-1337:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12661113/YARN-1337-v3.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 9 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
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

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

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/4598//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4598//console

This message is automatically generated.

> Recover containers upon nodemanager restart
> -------------------------------------------
>
>                 Key: YARN-1337
>                 URL: https://issues.apache.org/jira/browse/YARN-1337
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.3.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-1337-v1.patch, YARN-1337-v2.patch, YARN-1337-v3.patch
>
>
> To support work-preserving NM restart we need to recover the state of the containers
when the nodemanager went down.  This includes informing the RM of containers that have exited
in the interim and a strategy for dealing with the exit codes from those containers along
with how to reacquire the active containers and determine their exit codes when they terminate.
 The state of finished containers also needs to be recovered.



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