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Zhihong Yu commented on HBASE-5915: ----------------------------------- The following variable doesn't seem to be used: {code} + int triggerBoundsCheck = buf[off + SIZEOF_LONG - 1]; {code} What's its purpose ? > Improve performance of KeyValue comparison > ------------------------------------------ > > Key: HBASE-5915 > URL: https://issues.apache.org/jira/browse/HBASE-5915 > Project: HBase > Issue Type: Improvement > Components: performance > Affects Versions: 0.94.1 > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Attachments: hbase-5915.txt > > > Got bored tonight and poked around at making KeyValue comparison faster. I > was able to get a ~23% speedup on a micro-benchmark I wrote by using Unsafe > in a few more places. This should make some difference for real workloads, > since this is usually one of the top CPU consumers. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira