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https://issues.apache.org/jira/browse/HBASE-29233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Viraj Jasani resolved HBASE-29233.
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    Fix Version/s: 2.7.0
                   2.6.3
       Resolution: Fixed

> Capture scan metrics at region level
> ------------------------------------
>
>                 Key: HBASE-29233
>                 URL: https://issues.apache.org/jira/browse/HBASE-29233
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client, metrics
>            Reporter: Sanjeet Malhotra
>            Assignee: Sanjeet Malhotra
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.7.0, 3.0.0-beta-2, 2.6.3
>
>
> In my company, we have a requirement that we would like to track scan metrics 
> for requests belonging to certain use cases at region level along with 
> getting info about where that region was hosted (RS) at the time of scan. 
> This will help us in knowing to which all regions and RS the request was 
> hitting and contribution of each region scan/RS in latency. Thus, I plan to 
> store region name and RS server name in scan metrics object only and capture 
> a list of Scan metrics (one per region scanned).
> The capturing of scan metrics at this finer granularity can be "opt-in" per 
> Scan request and can be enabled via Scan attribute similar to how Scan 
> Metrics are enabled.
>  
> I would like to backport this change to HBase 3 and HBase 2.6 and 2.5.



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