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Nick Dimiduk commented on HBASE-12040: -------------------------------------- I cannot remember if I restarted the RS between loading the data and running the first test on 0.98.6.1, which means the first run may have a significantly warmer JIT than the subsequent runs. Please disregard my previous comment; I'll try to find time to run a more correct script today. > 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 > Priority: Critical > Attachments: at-HBASE-11331.html, pre-HBASE-11331.html, > ycsb-0.98.6.1-vs-0.98.7.pdf > > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)