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From wwang2016 <>
Subject Re: How to configure colocated backup servers for data replication approach
Date Thu, 11 Aug 2016 18:07:08 GMT
Hi Justin,

I was not clear of the benefits of setting up a colocated backup servers
with data replication approach.

If I set up master activemq server and slave activemq server in the same
wildfly instance, then the messages will be copied from master to slave?
That does not seem to be a useful feature since you would like the messages
to be copied between wildfly instances to support HA for messaging. 

The only scenario I can imagine is that for data replication, we set up the

Wildfly #1 (master activemq.1 + slave activemq.1)
Wildfly #2 (master activemq.2 + slave activemq.2) 

Where master activemq.1 pairs with slave activemq.2 and master activemq.2
pairs with slave activemq.1. 
This way, if wildfly #1 is down, the slave activemq.2 will get a copy of
master activemq.1. But then the messages in slave activemq.2 will still not
be accessible since it is master activemq.2 that is active.

I can see the benefit of setting up colocated backup servers with
shared-store, but not with data replication.



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