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https://issues.apache.org/jira/browse/HBASE-4933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161479#comment-13161479
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dhruba borthakur commented on HBASE-4933:
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https://reviews.facebook.net/D585
> Ability to calculate the blockcache hit ratio for the last few minutes
> ----------------------------------------------------------------------
>
> Key: HBASE-4933
> URL: https://issues.apache.org/jira/browse/HBASE-4933
> Project: HBase
> Issue Type: Improvement
> Components: metrics
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
>
> The metric blockcacheHitRatio is since the beginning of time. It would be
> nice to calculate the block cache hit ratio for the past few minutes.
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