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From Steve Springett <>
Subject JGroups Configuration Questions
Date Fri, 08 Oct 2010 00:51:47 GMT
I'm developing a web app for use on a corporate network. I'm using JGroups
already for some messaging between nodes in a cluster. I would like to use
Cayenne's JGroups support for cache sync as well but have a few questions.

1) It appears that simply setting remote=true and
setting cayenne.JavaGroupsBridge.mcast.port={port#} is all that's required.
Is this true?

2) Will the Cayenne JGroups cluster and my own existing JGroups cluster
conflict with one another? Is there any benefit (and a way) to get them both
in the same cluster (same channel name)?

3) Besides configuring jgroups in cayenne.xml, is there a way to
programaticly configure jgroups support in Cayenne. For example, I would
like the port numbers to be dynamically generated so that the only thing
required for cache syncing between nodes is to deploy the war.  I won't want
the user to have to configure jgroups ports in two different places with two
different values for each.

Also, if there are any devs on the list, in JavaGroupsBridge, there is a
javadoc reference to
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