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Elliott Clark commented on HBASE-15222: --------------------------------------- Almost every histogram in HBase uses them. MutableRangeHistogram is the base for our size and time histograms after HBASE-14869 > Use less contended classes for metrics > -------------------------------------- > > Key: HBASE-15222 > URL: https://issues.apache.org/jira/browse/HBASE-15222 > Project: HBase > Issue Type: Bug > Components: metrics > Affects Versions: 2.0.0, 1.2.0, 1.3.0 > Reporter: Elliott Clark > Assignee: Elliott Clark > Priority: Critical > Fix For: 2.0.0, 1.3.0 > > Attachments: HBASE-15222-v1.patch, HBASE-15222-v2.patch, > HBASE-15222-v3.patch, HBASE-15222-v5.patch, HBASE-15222-v6.patch, > HBASE-15222.patch > > > Running the benchmarks now, but it looks like the results are pretty extreme. > The locking in our histograms is pretty extreme. -- This message was sent by Atlassian JIRA (v6.3.4#6332)