[
https://issues.apache.org/jira/browse/KYLIN-3417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16624443#comment-16624443
]
Ted Yu edited comment on KYLIN-3417 at 10/1/18 4:24 PM:
--------------------------------------------------------
For phase I, we don't need to use Optimistic read lock.
was (Author: yuzhih...@gmail.com):
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)
