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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15673) [PE tool] Fix latency metrics for multiGet
Date Wed, 20 Apr 2016 03:01:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15249176#comment-15249176
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Hudson commented on HBASE-15673:
--------------------------------

FAILURE: Integrated in HBase-1.3 #658 (See [https://builds.apache.org/job/HBase-1.3/658/])
HBASE-15673 Fix latency metrics for multiGet. - Also fixes some stuff in (stack: rev 07cc9ac2f548515ad758ac99880f71d5fcf8755b)
* hbase-server/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java


> [PE tool] Fix latency metrics for multiGet
> ------------------------------------------
>
>                 Key: HBASE-15673
>                 URL: https://issues.apache.org/jira/browse/HBASE-15673
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Appy
>            Assignee: Appy
>             Fix For: 2.0.0, 1.3.0, 0.98.19, 1.4.0
>
>         Attachments: HBASE-15673-branch-1.patch, HBASE-15673-master.patch
>
>
> we write out latency value after each row is processes by testRow() function. But if
multiget is enabled, say set to 10, testRow() returns immediately for 9 rows and sends out
request in the 10th iteration. This screws up latency metrics (50th, 75th, 90th percentiles
are all 0).



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