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From "Liu Shaohui (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10788) Add 99th percentile of latency in PE
Date Wed, 19 Mar 2014 06:21:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940227#comment-13940227

Liu Shaohui commented on HBASE-10788:

Yes, I would like to add percentiles in the base class: Test and add all percentiles for all
Sorry for not noticing the percentiles code in  the randomRead test. I will redo the patch
based on HBASE-10007.

> Add 99th percentile of latency in PE
> ------------------------------------
>                 Key: HBASE-10788
>                 URL: https://issues.apache.org/jira/browse/HBASE-10788
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>            Priority: Minor
>         Attachments: HBASE-10788-trunk-v1.diff
> In production env, 99th percentile of latency is more important than the avg. The 99th
percentile is helpful to measure the influence of GC, slow read/write of HDFS.

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