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From "Chang Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5982) Task attempts that fail from the ASSIGNED state can disappear
Date Thu, 17 Sep 2015 21:50:04 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14804585#comment-14804585

Chang Li commented on MAPREDUCE-5982:

Thanks [~jlowe] for review and commit! I will work on a patch for branch-2.7.

> Task attempts that fail from the ASSIGNED state can disappear
> -------------------------------------------------------------
>                 Key: MAPREDUCE-5982
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5982
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 0.23.10, 2.2.1, 2.7.1
>            Reporter: Jason Lowe
>            Assignee: Chang Li
>             Fix For: 2.8.0
>         Attachments: MAPREDUCE-5982.2.patch, MAPREDUCE-5982.3.patch, MAPREDUCE-5982.4.patch,
MAPREDUCE-5982.5.patch, MAPREDUCE-5982.6.patch, MAPREDUCE-5982.patch
> If a task attempt fails in the ASSIGNED state, e.g.: container launch fails,  then it
can disappear from the job history.  The task overview page will show subsequent attempts
but the attempt in question is simply missing.  For example attempt ID 1 appears but the attempt
ID 0 is missing.  Similarly in the job overview page the task attempt doesn't appear in any
of the failed/killed/succeeded counts or pages.  It's as if the task attempt never existed,
but the AM logs show otherwise.

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