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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-697) Jobwise list of blacklisted tasktrackers doesn't get refreshed even after restarting blacklisted tasktrackers.
Date Wed, 23 Jul 2014 18:45:41 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved MAPREDUCE-697.
----------------------------------------

    Resolution: Not a Problem

> Jobwise list of blacklisted tasktrackers doesn't get refreshed even after restarting
blacklisted tasktrackers.
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-697
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-697
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.20.1
>            Reporter: Suman Sehgal
>
> Jobwise list of blacklisted tasktrackers doesn't get refreshed even after restarting
blacklisted tasktrackers. "jobdetails.jsp" page keeps on showing the same no. of blacklisted
tasktrackers (it doesn't get back to zero).
> One associated issue:
> =================
> --> More than 25% of TTs are blacklisted in a job.
> --> Restart the blacklisted TTs. All the tasktrackers are healthy now.
> --> try to blacklist other TT for the same job.
> Not able to blacklist the "other" tasktracker even if  "mapred.max.tracker.failures"
exceeds the specified limit.



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