Hello,
What is available, in Tomcat, or as an add-on, and preferably free/open-source to cluster tomcat for:
load balancing
fail over
humm filip hanik could answer with more details (or remy maucherat) but as far as I know new Tomcat 5 code (backported to 4.1) use
the Javagroups library for replication mechanism. For tomcat 4.1, adding jars (javagroups + patch) is enough to add theses features...
For tomcat 5, nothing needed because it's one of the new features...
how are session states replicated?
It's one of the limits of this system, because every put made, induces replication for the entire object using broadcast (by default). So heavy traffic...
Also, in general, and a bit off-topic (my apologies), are there any resources for the design, or open source implementation, of load balancing / fail-over frameworks?
javagroups :) google may point you to the current address !!! I think that this porject recently joined the JBOSS project
Jerome
Thanks
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