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From "Rohith (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6329) Failure of start map task on NM cause job hang
Date Wed, 22 Apr 2015 18:42:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14507637#comment-14507637

Rohith commented on MAPREDUCE-6329:

bq. is there anything in the RM log indicating why the container transitioned from ALLOCATED
This would be probably because during rolling upgrade , NM was down for some time. So Node_Removed
event might have occurred either because of expiry or reconnected event. Node removed event
kills all the running containers which has been done before container is pulled by AM.

> Failure of start map task on NM cause job hang
> ----------------------------------------------
>                 Key: MAPREDUCE-6329
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6329
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Peng Zhang
>         Attachments: syslog.tgz, yarn-app.log
> During rolling update of NM, AM start of container on NM failed. 
> And then job hang there.
> Attach AM logs.

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