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From "Shaofeng SHI (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KYLIN-3417) Consider replacing ReentrantReadWriteLock with StampedLock
Date Fri, 24 Aug 2018 07:37:00 GMT

     [ https://issues.apache.org/jira/browse/KYLIN-3417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shaofeng SHI updated KYLIN-3417:
--------------------------------
    Fix Version/s:     (was: v2.5.0)
                   Backlog

> 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.



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