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https://issues.apache.org/jira/browse/HBASE-6591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454885#comment-13454885
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Michael Drzal commented on HBASE-6591:
--------------------------------------

[~gchanan] just to make sure I understand you correctly, you would want metrics 
at the regionserver level along the lines of:

* checkAndPutSuccesses
* checkAndPutFailures
* checkAndDeleteSuccesses
* checkAndDeleteFailures

Would they actually be helpful at the regionserver level or would you need them 
more granular?
                
> checkAndPut executed/not metrics
> --------------------------------
>
>                 Key: HBASE-6591
>                 URL: https://issues.apache.org/jira/browse/HBASE-6591
>             Project: HBase
>          Issue Type: Task
>          Components: metrics, regionserver
>            Reporter: Gregory Chanan
>            Assignee: Gregory Chanan
>            Priority: Minor
>             Fix For: 0.96.0
>
>
> checkAndPut/checkAndDelete return true if the new put was executed, false 
> otherwise.
> So clients can figure out this metric for themselves, but it would be useful 
> to get a look at what is happening on the cluster as a whole, across all 
> clients.

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