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https://issues.apache.org/jira/browse/MAPREDUCE-6277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367720#comment-14367720
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Jason Lowe commented on MAPREDUCE-6277:
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+1 lgtm. Committing this.
> Job can post multiple history files if attempt loses connection to the RM
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-6277
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6277
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am
> Affects Versions: 2.7.0
> Reporter: Chang Li
> Assignee: Chang Li
> Attachments: MAPREDUCE-6277.2.patch, MAPREDUCE-6277.patch,
> YARN-3335.1.patch, YARN-3335.2.patch
>
>
> Related to a fixed issue MAPREDUCE-6230 which cause a Job to get into error
> state. In that situation Job's second or some later attempt could succeed but
> those later attempts' history file will all be lost. Because the first
> attempt in error state will copy its history file to intermediate dir while
> mistakenly think of itself as lastattempt. Jobhistory server will later move
> the history file of that error attempt from intermediate dir to done dir
> while ignore the rest of that job attempt's later history files in
> intermediate dir.
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