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From "Harsh J (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-127) Task trackers don't register with the job tracker until after they clean out their working directory
Date Mon, 16 Jan 2012 10:12:39 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J resolved MAPREDUCE-127.
-------------------------------

    Resolution: Invalid

Should we register before we clean then? Frankly I've not seen this slow startups recently,
even with several of our users running huge loads of tasks it never has shown up given that
we keep it clean along the way.

Do reopen if this is still an issue. I do not think it is anymore, and has gone stale.
                
> Task trackers don't register with the job tracker until after they clean out their working
directory
> ----------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-127
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-127
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>
> When TaskTrackers are started, they immediately start deleting their working directory,
which can take 30+ minutes. Unfortunately, that means they don't register themselves with
the JobTracker for a long time, so it looks like the cluster is "missing".

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