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From "Vinod Kumar Vavilapalli (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3827) Counters aggregation slowed down significantly after MAPREDUCE-3749
Date Tue, 07 Feb 2012 01:58:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated MAPREDUCE-3827:
-----------------------------------------------

             Priority: Blocker  (was: Major)
    Affects Version/s: 0.23.0
        Fix Version/s: 0.23.1
             Assignee: Vinod Kumar Vavilapalli

Found this while benchmarking scan. With and without the patch at MAPREDUCE-3827, there is
a 10% (10 seconds) difference only because of counters.
                
> Counters aggregation slowed down significantly after MAPREDUCE-3749
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3827
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3827
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2, performance
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Blocker
>             Fix For: 0.23.1
>
>


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