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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-810) Make TaskInProgress independent of JobTracker reference
Date Tue, 28 Jul 2009 10:05:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736015#action_12736015
] 

Amar Kamat commented on MAPREDUCE-810:
--------------------------------------

Arun, this was opened as a sub-task of MAPREDUCE-278 (I should have marked it). This jira
should be one step ahead in that direction. Thoughts?

> Make TaskInProgress independent of JobTracker reference
> -------------------------------------------------------
>
>                 Key: MAPREDUCE-810
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-810
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Amar Kamat
>
> As of today the TaskInProgress holds a reference of jobtracker and makes a back-call.
These circular calls along with synchronization can lead to deadlocks.

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