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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2017/09/29 23:14:02 UTC

[jira] [Resolved] (HBASE-18436) Add client-side hedged read metrics

     [ https://issues.apache.org/jira/browse/HBASE-18436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell resolved HBASE-18436.
------------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 1.5.0
                   1.4.0
                   3.0.0
                   2.0.0

Pushed to 1.4 and up

> Add client-side hedged read metrics
> -----------------------------------
>
>                 Key: HBASE-18436
>                 URL: https://issues.apache.org/jira/browse/HBASE-18436
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Yun Zhao
>            Assignee: Yun Zhao
>            Priority: Minor
>             Fix For: 2.0.0, 3.0.0, 1.4.0, 1.5.0
>
>         Attachments: HBASE-18436.master.001.patch
>
>
> Need some metrics to represent indicate read high-availability.
> +hedgedReadOps -- the number of hedged read that have occurred.
> +hedgedReadWin -- the number of hedged read returned faster than the original read.



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