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https://issues.apache.org/jira/browse/HBASE-10116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844533#comment-13844533
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Elliott Clark commented on HBASE-10116:
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+1 the metrics changes look good thanks for catching that.
> SlabCache metrics improvements
> ------------------------------
>
> Key: HBASE-10116
> URL: https://issues.apache.org/jira/browse/HBASE-10116
> Project: HBase
> Issue Type: Improvement
> Components: metrics, regionserver
> Reporter: Nick Dimiduk
> Assignee: Nick Dimiduk
> Priority: Minor
> Fix For: 0.98.0, 0.96.2
>
> Attachments: HBASE-10116.00.patch
>
>
> SlabCache incorrectly reports block count and could do a better job reporting
> free size. MetricsRegionServerWrapperImpl incorrectly reports block cache
> count. Expose Direct Memory stats on RegionServer WebUI.
> Also clean up javadoc on BlockCache interface methods, and whitespace in
> cache-related classes.
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