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Posted to mapreduce-issues@hadoop.apache.org by "Mahadev konar (Updated) (JIRA)" <ji...@apache.org> on 2011/11/30 07:11:40 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 ]
Mahadev konar updated MAPREDUCE-3402:
-------------------------------------
Priority: Blocker (was: Major)
> 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: Bug
> 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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