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Posted to issues@hbase.apache.org by "Zhihong Ted Yu (JIRA)" <ji...@apache.org> on 2012/06/22 05:08:42 UTC
[jira] [Commented] (HBASE-5527) PerformanceEvaluation: Report
aggregate timings on a single line
[ https://issues.apache.org/jira/browse/HBASE-5527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13399086#comment-13399086 ]
Zhihong Ted Yu commented on HBASE-5527:
---------------------------------------
+1 on patch.
Using nanoTime to measure duration is nice.
> PerformanceEvaluation: Report aggregate timings on a single line
> ----------------------------------------------------------------
>
> Key: HBASE-5527
> URL: https://issues.apache.org/jira/browse/HBASE-5527
> Project: HBase
> Issue Type: Improvement
> Components: performance
> Affects Versions: 0.92.0
> Reporter: Benoit Sigoure
> Assignee: Benoit Sigoure
> Priority: Minor
> Attachments: 0001-PerformanceEvaluation-fixes.patch, 0001-PerformanceEvaluation-fixes.patch
>
>
> When running {{PerformanceEvaluation}} with {{--nomapred}} it's hard to locate all the lines saying {{Finished 14 in 292979ms writing 2000000 rows}} in the output. This change adds a couples line to summarize the run at the end, which makes parsing and scripting the output easier:
> {code}
> 12/03/06 00:43:58 INFO hbase.PerformanceEvaluation: [RandomWriteTest] Summary of timings (ms): [15940, 15776, 15866, 15973, 15682, 15740, 15764, 15830, 15768, 15968, 15921, 15755, 15963, 15818, 15903, 15662]
> 12/03/06 00:43:58 INFO hbase.PerformanceEvaluation: [RandomWriteTest] Min: 15662ms Max: 15973ms Avg: 15833ms
> {code}
> Patch also removes a couple minor code smells.
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