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https://issues.apache.org/jira/browse/HBASE-625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12640441#action_12640441
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stack commented on HBASE-625:
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Need to also add master stats and as is, requests are being recorded wrong.
Fix.
> Metrics support for cluster load history: emissions and graphs
> --------------------------------------------------------------
>
> Key: HBASE-625
> URL: https://issues.apache.org/jira/browse/HBASE-625
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: stack
> Assignee: stack
> Priority: Critical
> Attachments: metrics-2.patch, metrics.patch
>
>
> hbase should write loadings on a period in a format that is amenable to tools
> like ganglia (rrd). Master can dump cluster loadings and averages.
> Regionservers would report their own loadings. Should exploit the work up in
> hadoop for doing this kinda thing (GangliaContext) where it makes sense.
> Extra browning points if user can optionally enable display of graphs in the
> hbase UI (JRobin).
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