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From Claus Ibsen <>
Subject Re: AMQ-4694: add support for flock-based shared lock file
Date Wed, 28 Aug 2013 05:47:16 GMT
Yay this is great.

On Tue, Aug 27, 2013 at 4:37 PM, Harris, Carl <> wrote:
> Greetings,
> I just opened AMQ-4694 that contains a patch to add optional support for native flock
(2) shared lock files.  This will allow the use of Shared File System Master/Slave on any
OCFS2 file system that supports cluster-aware locks.
> The implementation utilizes native calls to the underlying standard C library, using
JNA to avoid any of the build complications that would result from direct use of JNI.
> The patch can be applied cleanly to the current trunk or tags/activemq-5.8.0.
> I applied the patch to a copy of the 5.8.0 source and am now running my broker instances
using shared filesystem master/slave on my OCFS2-based cluster.
> Comments, feedback, criticism welcome.
> carl

Claus Ibsen
Red Hat, Inc.
Twitter: davsclaus
Author of Camel in Action:

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