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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-840) the task tracker is getting blocked by long deletes of local files
Date Fri, 22 Dec 2006 22:40:22 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-840?page=comments#action_12460600 ] 
            
Hadoop QA commented on HADOOP-840:
----------------------------------

+1, because http://issues.apache.org/jira/secure/attachment/12347774/lost-tt_2.patch applied
and successfully tested against trunk revision r489707.

> the task tracker is getting blocked by long deletes of local files
> ------------------------------------------------------------------
>
>                 Key: HADOOP-840
>                 URL: http://issues.apache.org/jira/browse/HADOOP-840
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.9.2
>            Reporter: Owen O'Malley
>         Assigned To: Owen O'Malley
>             Fix For: 0.10.0
>
>         Attachments: lost-tt.patch, lost-tt_2.patch
>
>
> The task tracker is getting blocked in the main heartbeat loop by doing task cleanups
in the main thread. We need to queue up the cleanup actions and work on them offline. This
should make our task trackers not miss heartbeats and thus get lost.

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