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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12040) Performances issues
Date Sun, 21 Sep 2014 21:58:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14142732#comment-14142732
] 

stack commented on HBASE-12040:
-------------------------------

Excellent [~jmspaggi]  Is this your little cluster?  What size runs did you do?  Can you point
me at specs for your test bench/test runs so I can compare.  Thanks boss.

> Performances issues
> -------------------
>
>                 Key: HBASE-12040
>                 URL: https://issues.apache.org/jira/browse/HBASE-12040
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.99.1
>            Reporter: Jean-Marc Spaggiari
>            Priority: Blocker
>
> While testing 0.99.0RC1 release performances, compared to 0.98.6, figured that:
> - FilteredScanTest is 100 times slower;
> - RandomReadTest is 1.5 times slower;
> - RandomSeekScanTest is 3.2 times slower;
> - RandomScanWithRange10Test is 1,2 times slower;
> - RandomScanWithRange100Test is 1,3 times slower;
> - RandomScanWithRange1000Test is 4 times slower;
> - SequentialReadTest is 1,7 times slower;
> - SequentialWriteTest is just a bit faster;
> - RandomWriteTest	 is just a bit faster;
> - GaussianRandomReadBenchmark is just a beat slower;
> - SequentialReadBenchmark is 1,1 times slower;
> - SequentialWriteBenchmark is 1,1 times slower;
> - UniformRandomReadBenchmark crashed;
> - UniformRandomSmallScan is 1,3 times slower.



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