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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-100) Inconsistent locking of the JobTracker.taskTrackers field
Date Fri, 31 Mar 2006 00:01:41 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-100?page=all ]
     
Doug Cutting resolved HADOOP-100:
---------------------------------

    Resolution: Fixed

I just committed this.  Thanks, Owen.

> Inconsistent locking of the JobTracker.taskTrackers field
> ---------------------------------------------------------
>
>          Key: HADOOP-100
>          URL: http://issues.apache.org/jira/browse/HADOOP-100
>      Project: Hadoop
>         Type: Bug
>   Components: mapred
>     Versions: 0.1
>     Reporter: Owen O'Malley
>     Assignee: Owen O'Malley
>      Fix For: 0.1
>  Attachments: task-tracker-table-locking.patch
>
> The JobTracker is using an inconsistant lock for protecting taskTrackers, which is the
list of current task trackers. Some of the routines lock the JobTracker and others lock the
taskTrackers field.

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