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Posted to common-dev@hadoop.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2008/10/20 20:59:44 UTC

[jira] Updated: (HADOOP-4305) repeatedly blacklisted tasktrackers should get declared dead

     [ https://issues.apache.org/jira/browse/HADOOP-4305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Devaraj Das updated HADOOP-4305:
--------------------------------

    Fix Version/s: 0.20.0
         Assignee: Amareshwari Sriramadasu

> repeatedly blacklisted tasktrackers should get declared dead
> ------------------------------------------------------------
>
>                 Key: HADOOP-4305
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4305
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Christian Kunz
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.20.0
>
>
> When running a batch of jobs it often happens that the same tasktrackers are blacklisted again and again. This can slow job execution considerably, in particular, when tasks fail because of timeout.
> It would make sense to no longer assign any tasks to such tasktrackers and to declare them dead.

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