[ https://issues.apache.org/jira/browse/HBASE-6755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-6755: ------------------------- Priority: Minor (was: Major) > HRegion.internalObtainRowLock uses unecessary AtomicInteger > ----------------------------------------------------------- > > Key: HBASE-6755 > URL: https://issues.apache.org/jira/browse/HBASE-6755 > Project: HBase > Issue Type: Bug > Reporter: Lars Hofhansl > Assignee: Lars Hofhansl > Priority: Minor > Fix For: 0.94.3, 0.96.0 > > Attachments: 6755-0.96.txt > > > I was looking at HBase's implementation of locks and saw that is > unnecessarily uses an AtomicInteger to obtain a unique lockid. > The observation is that we only need a unique one and don't care if we happen > to skip one. > In a very unscientific test I saw the %system CPU reduced when the > AtomicInteger is avoided. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira