[jira] [Commented] (MAPREDUCE-3353) Need a RM->AM channel to inform AMs about faulty/unhealthy/lost nodes

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

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13220493#comment-13220493 ] 

Hadoop QA commented on MAPREDUCE-3353:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12516746/MAPREDUCE-3353-branch-0.23.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 29 new or modified tests.

    -1 javadoc.  The javadoc tool appears to have generated 1 warning messages.

    -1 javac.  The applied patch generated 504 javac compiler warnings (more than the trunk's current 502 warnings).

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1977//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1977//console

This message is automatically generated.
                
> Need a RM->AM channel to inform AMs about faulty/unhealthy/lost nodes
> ---------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3353
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3353
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster, mrv2, resourcemanager
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Bikas Saha
>            Priority: Critical
>             Fix For: 0.23.2
>
>         Attachments: MAPREDUCE-3353-branch-0.23.patch, MAPREDUCE-3353-branch-0.23.patch
>
>
> When a node gets lost or turns faulty, AM needs to know about that event so that it can take some action like for e.g. re-executing map tasks whose intermediate output live on that faulty node.

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