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From "Carlo Curino (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5848) MapReduce counts forcibly preempted containers as FAILED
Date Thu, 29 May 2014 00:08:03 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14011858#comment-14011858

Carlo Curino commented on MAPREDUCE-5848:

Mayank, I think you are right the behavior is equivalent at the moment.  The advantage of
tracking TA_PREEMPTED explicitly is that in the future we will be able to have different behaviors
for preempted or killed tasks, 
without having to parse the diagnostic message. This seems to ease future work on this, so
I would lean towards keeping the patch with this enrichement of the state machine unless something
else is problematic with it.

> MapReduce counts forcibly preempted containers as FAILED
> --------------------------------------------------------
>                 Key: MAPREDUCE-5848
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5848
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>    Affects Versions: 2.1.0-beta
>            Reporter: Carlo Curino
>            Assignee: Subramaniam Krishnan
>         Attachments: MR-5848.patch, MR-5848.patch, YARN-1958.patch
> The MapReduce AM is considering a forcibly preempted container as FAILED, while I think
it should be considered as KILLED (i.e., not count against the maximum number of failures).

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