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Posted to notifications@accumulo.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2012/11/14 20:12:12 UTC

[jira] [Commented] (ACCUMULO-855) Patch to remove acquisition of redundant lock: LiveTServerSet in org.apache.accumulo.server.master

    [ https://issues.apache.org/jira/browse/ACCUMULO-855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497352#comment-13497352 ] 

Hudson commented on ACCUMULO-855:
---------------------------------

Integrated in Accumulo-Trunk #552 (See [https://builds.apache.org/job/Accumulo-Trunk/552/])
    ACCUMULO-855 applying patch to trunk (Revision 1409288)

     Result = SUCCESS
ecn : 
Files : 
* /accumulo/trunk/server/src/main/java/org/apache/accumulo/server/master/LiveTServerSet.java

                
> Patch to remove acquisition of redundant lock: LiveTServerSet in org.apache.accumulo.server.master
> --------------------------------------------------------------------------------------------------
>
>                 Key: ACCUMULO-855
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-855
>             Project: Accumulo
>          Issue Type: Improvement
>            Reporter: Tim Halloran
>            Priority: Minor
>             Fix For: 1.5.0
>
>         Attachments: LiveTServerSet.java.patch
>
>
> A lock on the receiver is acquired twice by this method. This has two drawbacks (a) it slows performance and (b) is confusing.
> A patch is attached proposing the fix -- I left the method synchronized and removed the lock acquisition in the method to match the other methods in the class.

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