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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5754) Preserve Job diagnostics in history
Date Wed, 26 Feb 2014 17:23:21 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13913192#comment-13913192
] 

Jason Lowe commented on MAPREDUCE-5754:
---------------------------------------

+1, lgtm.  I'll commit this later today.

> Preserve Job diagnostics in history
> -----------------------------------
>
>                 Key: MAPREDUCE-5754
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5754
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobhistoryserver, mr-am
>    Affects Versions: 2.2.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>         Attachments: MAPREDUCE-5754.v01.patch, MAPREDUCE-5754.v02.patch, MAPREDUCE-5754.v03.patch,
MAPREDUCE-5754.v04.patch, MAPREDUCE-5754.v05.patch
>
>
> History does not store the runtime diagnostics information. JobHistoryParser tries to
blame a task. We propose to preserve the original runtime diagnostics that covers all the
cases including the job being killed. This is particularly important in the context of user-supplied
diagnostic message as in MAPREDUCE-5648. 



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