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Posted to mapreduce-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (Updated) (JIRA)" <ji...@apache.org> on 2011/12/15 02:15:30 UTC

[jira] [Updated] (MAPREDUCE-3402) AMScalability test of Sleep job with 100K 1-sec maps regressed into running very slowly

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli updated MAPREDUCE-3402:
-----------------------------------------------

    Issue Type: Sub-task  (was: Bug)
        Parent: MAPREDUCE-3561
    
> AMScalability test of Sleep job with 100K 1-sec maps regressed into running very slowly
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3402
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3402
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: applicationmaster, mrv2
>    Affects Versions: 0.23.0
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Blocker
>             Fix For: 0.23.1
>
>
> The world was rosier before October 19-25, [~karams] says.
> The 100K 1 second sleep job used to take around 800mins or 13-14 mins. It now runs till 45 mins and still manages to complete only about 45K tasks.
> One/more of the flurry of commits for 0.23.0 deserve(s) the blame.

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