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https://issues.apache.org/jira/browse/HBASE-14992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Stack resolved HBASE-14992.
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Resolution: Later
Closing old JIRA
> Add cache stats of past n periods in region server status page
> --------------------------------------------------------------
>
> Key: HBASE-14992
> URL: https://issues.apache.org/jira/browse/HBASE-14992
> Project: HBase
> Issue Type: Improvement
> Components: BlockCache, metrics
> Affects Versions: 2.0.0
> Reporter: Jianwei Cui
> Priority: Minor
>
> The cache stats of past n periods, such as SumHitCountsPastNPeriods,
> SumHitCachingCountsPastNPeriods, etc,
> are useful to indicate the real-time read load of region server, especially
> for temporary read peak. It is helpful to add such metrics to
> BlockCache#Stats tab of region server status page. Discussion and suggestion
> are welcomed.
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