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Posted to common-dev@hadoop.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2009/05/11 14:49:45 UTC

[jira] Resolved: (HADOOP-5643) Ability to blacklist tasktracker

     [ https://issues.apache.org/jira/browse/HADOOP-5643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Devaraj Das resolved HADOOP-5643.
---------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

I just committed this. Thanks, Amar! (Please add a release note describing the way to run the command for decommissioning TTs)

> Ability to blacklist tasktracker
> --------------------------------
>
>                 Key: HADOOP-5643
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5643
>             Project: Hadoop Core
>          Issue Type: New Feature
>    Affects Versions: 0.20.0
>            Reporter: Rajiv Chittajallu
>            Assignee: Amar Kamat
>         Attachments: HADOOP-5643-v3.4.patch, HADOOP-5643-v4.0.patch, HADOOP-5643-v4.6.patch, HADOOP-5643-v5.1.patch, HADOOP-5643-v5.12-testcase.patch, HADOOP-5643-v5.12.patch, HADOOP-5643-v5.5.patch, HADOOP-5643-v5.9.patch
>
>
> Its not always possible to shutdown the tasktracker to stop scheduling tasks on the node. (eg you can't login to the node but the TT is up). 
> This can be via 
>   * mapred.exclude and should be refreshed with out restarting the tasktracker
>   * hadoop job -fail-tracker <tracker id>

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