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https://issues.apache.org/jira/browse/HBASE-29616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HBASE-29616 started by Eungsop Yoo.
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> Add Real-time Request Stats Collector
> -------------------------------------
>
> Key: HBASE-29616
> URL: https://issues.apache.org/jira/browse/HBASE-29616
> Project: HBase
> Issue Type: New Feature
> Components: monitoring
> Reporter: Eungsop Yoo
> Assignee: Eungsop Yoo
> Priority: Major
> Labels: pull-request-available
>
> RegionServers in HBase can sometimes experience abnormally high load, such as
> excessive CPU usage or network traffic. Existing methods to diagnose the
> cause include (1) using metrics, which are only available at the Region
> level, (2) checking recent ResponseTooSlow / ResponseTooLarge logs, which
> provide only limited visibility, and (3) employing third-party tools like
> [hbase-packet-inspector|https://github.com/kakao/hbase-packet-inspector],
> which enable detailed analysis but cannot guarantee complete request tracking
> and require external management.
> This PR proposes adding a lightweight RequestStatsCollector inside the
> RegionServer to capture all requests at the row level in real time. The
> collected statistics can be examined and analyzed through the RegionServer
> web console.
> For more details, please refer to the following document.
> https://docs.google.com/document/d/1ELfSwT8d1ctE7QWJvRX1YTVpcVnIvGFhM0MczuiXg6E/edit?tab=t.0
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