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Ted Yu commented on KYLIN-3417: ------------------------------- For phase I, we don't need to use Optimistic read lock > Consider replacing ReentrantReadWriteLock with StampedLock > ---------------------------------------------------------- > > Key: KYLIN-3417 > URL: https://issues.apache.org/jira/browse/KYLIN-3417 > Project: Kylin > Issue Type: Improvement > Reporter: Ted Yu > Assignee: jiatao.tao > Priority: Major > Fix For: Backlog > > > ReentrantReadWriteLock's are only the right solution when there is long hold > time due to expensive I/O. > It is expensive for readers. > We should see if the lighter {{StampedLock}} can be used instead. -- This message was sent by Atlassian JIRA (v7.6.3#76005)