Am 13.11.2006 um 20:27 schrieb David O'Dell:
Is anyone using session replication in production?
Yes, at really big sites :-)
Is there an alternative to using multicasting?
No, but you can implement you own membership service.
In the doc http://tomcat.apache.org/tomcat-5.5-doc/cluster-howto.html
It states "This is an algorithm that is only efficient when the
clusters are small."
I have 6 tomcat instances behind a load balancer, is this still
considered small?
Yes, but split your cluster into different domains. Use Apache/mod_jk
>= 1.2.19 with the
domain attribute. The mod_jk loadbalancer can then route to the right
backup.
regards
Peter
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