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From "Jerry He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18144) Forward-port the old exclusive row lock; there are scenarios where it performs better
Date Wed, 21 Jun 2017 06:30:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16057057#comment-16057057
] 

Jerry He commented on HBASE-18144:
----------------------------------

The combination of the long wait in tryLock and the policy of the ReadWriteLock contributes
to the case Allan described. Long wait in tryLock does seem to defeat the purpose of the 'try'.

We will see if any of this will help this JIRA here.

> Forward-port the old exclusive row lock; there are scenarios where it performs better
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-18144
>                 URL: https://issues.apache.org/jira/browse/HBASE-18144
>             Project: HBase
>          Issue Type: Bug
>          Components: Increment
>    Affects Versions: 1.2.5
>            Reporter: stack
>            Assignee: stack
>             Fix For: 2.0.0, 1.3.2, 1.2.7
>
>         Attachments: DisorderedBatchAndIncrementUT.patch, HBASE-18144.master.001.patch
>
>
> Description to follow.



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