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stack commented on HBASE-7612: ------------------------------ You have a patch [~ikeda]? Put it up in a new issue? Thanks sir. > [JDK8] Replace use of high-scale-lib counters with intrinsic facilities > ----------------------------------------------------------------------- > > Key: HBASE-7612 > URL: https://issues.apache.org/jira/browse/HBASE-7612 > Project: HBase > Issue Type: Sub-task > Components: metrics > Affects Versions: 2.0.0 > Reporter: Andrew Purtell > Assignee: Duo Zhang > Priority: Trivial > Fix For: 2.0.0 > > Attachments: HBASE-7612-v1.patch, HBASE-7612.patch > > > JEP155 introduces a few new classes (DoubleAccumulator, DoubleAdder, > LongAccumulator, LongAdder) that "internally employ contention-reduction > techniques that provide huge throughput improvements as compared to Atomic > variables". There are applications of these where we are currently using > Cliff Click's high-scale-lib and for metrics. > See http://openjdk.java.net/jeps/155 -- This message was sent by Atlassian JIRA (v6.3.4#6332)