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Posted to issues@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2017/09/29 19:16:00 UTC

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

    [ https://issues.apache.org/jira/browse/HBASE-18436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16186262#comment-16186262 ] 

Andrew Purtell commented on HBASE-18436:
----------------------------------------

I am sorry this languished [~Yun Zhao]. Let me see about applying this. The changes seem pretty self contained and I think the metrics would be useful. 

> 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
>            Priority: Minor
>         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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