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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12040) Performances issues with FilteredScanTest
Date Mon, 29 Sep 2014 05:11:35 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14151370#comment-14151370
] 

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

Here is test where I've checked out branch-1 at Nick's commit so 11331 is included.    It
perturbs our numbers.  FilteredScans are 'faster' because of it(?) and RandomRead looks a
bit slower after this single commit.
{code}
099.at.filterscan.txt:2014-09-28 21:07:47,858 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 223008ms over 100 rows
099.at.filterscan.txt:2014-09-28 21:11:27,928 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 215842ms over 100 rows
099.at.filterscan.txt:2014-09-28 21:15:07,705 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 215566ms over 100 rows
099.at.filterscan.txt:2014-09-28 21:18:47,816 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 215858ms over 100 rows
099.at.filterscan.txt:2014-09-28 21:22:28,202 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 216107ms over 100 rows
099.at.randomread.txt:2014-09-28 21:30:39,885 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 425668ms over 1048576 rows
099.at.randomread.txt:2014-09-28 21:38:43,537 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 479408ms over 1048576 rows
099.at.randomread.txt:2014-09-28 21:46:00,051 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 432500ms over 1048576 rows
099.at.randomread.txt:2014-09-28 21:53:15,114 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 430753ms over 1048576 rows
099.at.randomread.txt:2014-09-28 22:01:23,224 INFO  [TestClient-0] hbase.PerformanceEvaluation:
Finished in 483916ms over 1048576 rows
{code}

> Performances issues with FilteredScanTest 
> ------------------------------------------
>
>                 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
>            Assignee: stack
>            Priority: Critical
>             Fix For: 0.98.7, 0.99.1
>
>         Attachments: at-HBASE-11331.html, pre-HBASE-11331.html
>
>
> 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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