Ted Yu created KYLIN-3417:
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Summary: 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
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.
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