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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5195) Job doesn't utilize all the available cluster resources with CombineFileInputFormat
Date Tue, 30 Apr 2013 13:24:17 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj K updated MAPREDUCE-5195:
---------------------------------

    Summary: Job doesn't utilize all the available cluster resources with CombineFileInputFormat
 (was: Job doesn't utilize all the cluster resources with CombineFileInputFormat)
    
> Job doesn't utilize all the available cluster resources with CombineFileInputFormat
> -----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5195
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5195
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: job submission
>    Affects Versions: 0.23.7, 2.0.5-beta, 2.0.4-alpha
>            Reporter: Devaraj K
>
> If we enable delay scheduling in resource manager and the submitted job is using CombineFileInputFormat
then this job is not able to use the all the available resources in the cluster, running most
of the maps in only some nodes and other nodes resources are idle.

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