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Posted to mapreduce-issues@hadoop.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2012/08/29 20:30:09 UTC

[jira] [Updated] (MAPREDUCE-4599) [MAPREDUCE-3902] Ensure not to launch container on blacklisted hosts

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Seth updated MAPREDUCE-4599:
--------------------------------------

    Priority: Major  (was: Minor)
     Summary: [MAPREDUCE-3902] Ensure not to launch container on blacklisted hosts  (was: Ensure not to launch container on blacklisted nodes)

+1. Committing this to branch-3902. Thanks Tsuyoshi.
                
> [MAPREDUCE-3902] Ensure not to launch container on blacklisted hosts
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4599
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4599
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: applicationmaster
>    Affects Versions: MR-3902
>            Reporter: Tsuyoshi OZAWA
>            Assignee: Tsuyoshi OZAWA
>         Attachments: MAPREDUCE-4599.2.patch, MAPREDUCE-4599.3.patch, MAPREDUCE-4599.patch
>
>
> The current implementation of RMContainerAllocator doesn't ensure not to launch containers on blacklisted nodes. This may cause some skews by tasks on bad nodes.

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