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1. Re: Caches forming subgroups, not merging
ckulenk Mar 12, 2011 9:53 AM (in response to dlmarion)Just getting into Infinispan..
Did you try configuring JDBC-PING or a similar JGroups protocol for detecting nodes?
http://community.jboss.org/message/537786#537786 seems to discuss your problem
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2. Caches forming subgroups, not merging
dlmarion Mar 13, 2011 11:10 AM (in response to ckulenk)Yes, we took the udp jgroups sample that is delivered with 4.2.0 and started increasing the time outs. Still no luck. We're getting errors like "host not in transmit table", so I believe the nodes are communicating with each other, but the nodes think that the other node is not in its cluster. I can give more specific information tomorrow when I get back to work.
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3. Caches forming subgroups, not merging
dlmarion Mar 14, 2011 12:18 PM (in response to dlmarion)I've narrowed it down to discovery within JGroups. I have it working much better when specifying the number of initial hosts and a larger timeout in the PING element of the jgroups-udp.xml file. Any ideas on what good values are for this? Again, I'd really like to see the configuration for the 1000 node test that JBoss/RedHat has done.
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4. Caches forming subgroups, not merging
dlmarion Mar 14, 2011 3:25 PM (in response to dlmarion)so it appears that the answer is to increase the number of initial hosts and/or the timeout in the PING element. This allows more hosts to report to each other during the discovery phase.