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Posted to mapreduce-issues@hadoop.apache.org by "Robert Joseph Evans (Updated) (JIRA)" <ji...@apache.org> on 2011/12/02 16:45:40 UTC

[jira] [Updated] (MAPREDUCE-3501) Fifo scheduler does not match host requests with host:port correctly

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Joseph Evans updated MAPREDUCE-3501:
-------------------------------------------

    Component/s: mrv2
    
> Fifo scheduler does not match host requests with host:port correctly
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3501
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3501
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, scheduler
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Robert Joseph Evans
>            Priority: Minor
>
> When the Fifo scheduler receives a heartbeat from a NM the NM appears as a HOST:PORT.  When a request is made to the scheduler to have a container run on a given host that request is given just as HOST.  Right now the FIFO scheduler does not use just the HOST part of HOST:PORT for the comparison.  This is minor because very few people will run with the FIFO scheduler on a cluster at all, but it still needs ot be fixed.

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