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From "Amol Kekre (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3628) DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.
Date Mon, 06 Feb 2012 20:19:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13201547#comment-13201547
] 

Amol Kekre commented on MAPREDUCE-3628:
---------------------------------------

Throughput decrease was 10% with 6% CPU slowdown a few wks ago. Waiting for new numbers later
this wk.
                
> DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size
cluster.
> -------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3628
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3628
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Amol Kekre
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Blocker
>             Fix For: 0.23.1
>
>
> DFSIO read throughput is decreased by 16% in 0.23 than Hadoop-0.20.204 on 350 nodes size
cluster.

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