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From "Nicolas Liochon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8335) Investigate unit test performance regressions between hadoop1 and hadoop2
Date Fri, 12 Apr 2013 15:38:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630190#comment-13630190
] 

Nicolas Liochon commented on HBASE-8335:
----------------------------------------

I wonder if the increased memory consumption observed in hadoop 2 when we use read short circuit
is not one of the causes?
                
> Investigate unit test performance regressions between hadoop1 and hadoop2
> -------------------------------------------------------------------------
>
>                 Key: HBASE-8335
>                 URL: https://issues.apache.org/jira/browse/HBASE-8335
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Hsieh
>             Fix For: 0.95.1
>
>
> HBASE-7606 and HBASE-7605 showed 2-3x performance regressions when comparing running
on top of hadoop1 (1.1.2) and hadoop2 (2.0.2-alpha). 
> We need to figure out why.

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