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https://issues.apache.org/jira/browse/MAPREDUCE-5621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13985140#comment-13985140
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Jinghui Wang commented on MAPREDUCE-5621:
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+1. Since if user has write access to the log directory, there is no point to
create it again. This can potential cause problems if $MAPRED_LOG_DIR is owned
by someone other than the user running the mr-jobhistory-daemon.sh.
> mr-jobhistory-daemon.sh doesn't have to execute mkdir and chown all the time
> ----------------------------------------------------------------------------
>
> Key: MAPREDUCE-5621
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5621
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver
> Affects Versions: 3.0.0
> Reporter: Shinichi Yamashita
> Assignee: Shinichi Yamashita
> Priority: Minor
> Attachments: MAPREDUCE-5621.patch
>
>
> mr-jobhistory-daemon.sh executes mkdir and chown command to output the log
> files.
> This is always executed with or without a directory. In addition, this is
> executed not only starting daemon but also stopping daemon.
> It add "if" like hadoop-daemon.sh and yarn-daemon.sh and should control it.
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