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Date: Thu, 12 Dec 2013 17:28:16 +0000 (UTC)
From: "Nick Dimiduk (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12684026.1386766952887.24979.1386869296013@arcas>
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Subject: [jira] [Commented] (HBASE-10129) support real time rpc invoke
 latency percentile statistics for methods of HRegionInterface
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    [ https://issues.apache.org/jira/browse/HBASE-10129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13846476#comment-13846476 ] 

Nick Dimiduk commented on HBASE-10129:
--------------------------------------

bq. Is there any benchmark when doing efficiency comparisons?

Have a look at {{org.apache.hadoop.hbase.PerformanceEvaluation}}.

> support real time rpc invoke latency percentile statistics for methods of HRegionInterface 
> -------------------------------------------------------------------------------------------
>
>                 Key: HBASE-10129
>                 URL: https://issues.apache.org/jira/browse/HBASE-10129
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.94.14
>            Reporter: cuijianwei
>         Attachments: HBASE-10129-0.94-v1.patch
>
>
> It is important for applications to get latency statistics when invoking hbase apis. Currently, the average latency of methods in HRegionInterface will be computed in HBaseRpcMetrics. However, user might expect more detail latency statistics, such as 75% percentile latency, 95% percentile latency, etc. Therefore, will it be useful if we computing latency percentiles for rpc invoking of region server methods? 


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