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Date: Fri, 22 Jan 2010 12:37:21 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: cassandra-commits@incubator.apache.org
Subject: [jira] Commented: (CASSANDRA-704) Cluster-wide mutex (ZooKeeper
 integration)
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    [ https://issues.apache.org/jira/browse/CASSANDRA-704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12803683#action_12803683 ] 

Hudson commented on CASSANDRA-704:
----------------------------------

Integrated in Cassandra #331 (See [http://hudson.zones.apache.org/hudson/job/Cassandra/331/])
    

> Cluster-wide mutex (ZooKeeper integration)
> ------------------------------------------
>
>                 Key: CASSANDRA-704
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-704
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Jaakko Laine
>            Assignee: Jaakko Laine
>         Attachments: 704-cluster-mutex.patch, zookeeper-3.2.2.jar
>
>
> Provide a cluster-wide mutex (zookeeper integration). Not strictly needed at the moment, but since it's done now, I'll post it here for community to review & decide if it should be included. This would allow us to have atomic increment/decrement operations before vector clocks, and might come handy in automatic load balancing and other future tasks.

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