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From Gary Tully <>
Subject Re: Pluggable locker strategy for redelivery plugin?
Date Thu, 19 Sep 2013 15:48:27 GMT
that sounds like a quick win. Can u raise an issue to track this
request. One thought is that a single broker lock would cover all of
these scenarios. So u could set ur custom lock on a broker.

On 16 September 2013 14:52, Paul Gale <> wrote:
> Hi,
> Is it possible to configure a locker via XML for the redelivery plugin? I
> know it's possible for KahaDB.
> I ask as I've just been experimenting with the redelivery plugin and
> noticed that it creates it's own data store for which it maintains a file
> based lock to govern access in a master-slave context.
> I have written a database-backed custom lease locker for use with KahaDB.
> We're constrained to using NFSv3 to store our message store. Given the
> issues with file based locks on NFSv3 I wrote said locker.
> I've since learned that the redelivery plugin defaults to using a file
> based lock mechanism. I need to configure it to make use of my custom
> locker so that it doesn't use a file based lock for the reasons given
> above.
> However, the redelivery plugin doesn't appear to expose a way to do so via
> XML. Does such a configuration mechanism exist?
> If not, is one planned to be introduced for 5.9.0?
> Thanks,
> Paul


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