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Posted to mapreduce-dev@hadoop.apache.org by "zhaoyunjiong (JIRA)" <ji...@apache.org> on 2014/01/10 02:46:50 UTC

[jira] [Resolved] (MAPREDUCE-5711) When JobTracker writing JobHistory to HDFS, it may hung for long time due to DataNode error

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

zhaoyunjiong resolved MAPREDUCE-5711.
-------------------------------------

    Resolution: Duplicate

> When JobTracker writing JobHistory to HDFS, it may hung for long time due to DataNode error
> -------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5711
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5711
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: zhaoyunjiong
>            Assignee: zhaoyunjiong
>             Fix For: 1.2.2
>
>         Attachments: MAPREDUCE-5711-branch-1.2.patch
>
>
> When writing JobHistory to HDFS, it may takes very long time due to DataNode error, unfortunately, it also hold JobTracker lock, so it makes JobTracker hung for long time. It happens couple of times on our cluster.



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