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Posted to notifications@accumulo.apache.org by "Eric Newton (JIRA)" <ji...@apache.org> on 2012/11/14 19:36:13 UTC
[jira] [Resolved] (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:all-tabpanel ]
Eric Newton resolved ACCUMULO-855.
----------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
patch applied with r1409288. Nice catch.
> 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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