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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MAPREDUCE-1472) JobTracker.submitJob holds a lock on the JobTracker while copying job-conf from HDFS
Date Wed, 10 Feb 2010 17:20:28 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy resolved MAPREDUCE-1472.
--------------------------------------

    Resolution: Duplicate

Duplicate of HADOOP-1354.

> JobTracker.submitJob holds a lock on the JobTracker while copying job-conf from HDFS
> ------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1472
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1472
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>            Priority: Blocker
>
> This could have very bad impact on responsiveness of the cluster.
> JobTracker.submitJob also forks a DU and writes to it's local-disk.

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