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Yi Deng commented on HBASE-12133: --------------------------------- Thanks! [~stack] Should I put this Class to hbase-hadoop2-compat project? It is under hbase-common now. > Add FastLongHistogram for metric computation > -------------------------------------------- > > Key: HBASE-12133 > URL: https://issues.apache.org/jira/browse/HBASE-12133 > Project: HBase > Issue Type: New Feature > Components: metrics > Affects Versions: 0.98.8 > Reporter: Yi Deng > Assignee: Yi Deng > Priority: Minor > Labels: histogram, metrics > Fix For: 0.98.8 > > Attachments: > 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch, > 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch, > 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch > > > FastLongHistogram is a thread-safe class that estimate distribution of data > and computes the quantiles. It's useful for computing aggregated metrics like > P99/P95. -- This message was sent by Atlassian JIRA (v6.3.4#6332)