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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: (was: 2.7.0)
(was: 2.5.12)
(was: 2.6.4)
Hadoop Flags: Reviewed
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: 3.0.0-beta-2
>
>
> 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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