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Posted to mapreduce-issues@hadoop.apache.org by "Amol Kekre (Commented) (JIRA)" <ji...@apache.org> on 2012/01/27 23:54:11 UTC
[jira] [Commented] (MAPREDUCE-3524) Scan benchmark is more than
1.5x slower in 0.23
[ https://issues.apache.org/jira/browse/MAPREDUCE-3524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195194#comment-13195194 ]
Amol Kekre commented on MAPREDUCE-3524:
---------------------------------------
Performance has improved from 92% slower to 38% slower. Still not there yet...
> Scan benchmark is more than 1.5x slower in 0.23
> -----------------------------------------------
>
> Key: MAPREDUCE-3524
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3524
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: benchmarks, mr-am, mrv2, performance
> Affects Versions: 0.23.1
> Reporter: Karam Singh
> Assignee: Vinod Kumar Vavilapalli
> Priority: Blocker
>
> Scan benchmark is more than 1.5X slower(almost 92% increased) in 0.23 than Hadoop-0.20.204 on 350 nodes size cluster.
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