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Posted to mapreduce-issues@hadoop.apache.org by "Siddharth Seth (Commented) (JIRA)" <ji...@apache.org> on 2012/02/07 20:57:00 UTC

[jira] [Commented] (MAPREDUCE-3834) If multiple hosts for a split belong to the same rack, the rack is added multiple times in the AM request table

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13202702#comment-13202702 ] 

Siddharth Seth commented on MAPREDUCE-3834:
-------------------------------------------

Applies on top of 3815. Will submit patch after that's done.
                
> If multiple hosts for a split belong to the same rack, the rack is added multiple times in the AM request table
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3834
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3834
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Siddharth Seth
>            Priority: Critical
>         Attachments: MR3834.txt
>
>
> Should be added only once - so that the RM doesn't think there's multiple rack local requests for that particular rack.

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