You could look at this :

http://c-jdbc.objectweb.org/

this intermediate JDBC driver allow you to cluster databases. Notice I never used it, use it at your own risk ;-)

Nico.


> Hi,
>
> I am sure that someone here must have worked on a
> large website with heavy load using struts and I
> wonder if you'll be kindly enough to give me some
> suggestions in this occasion.
>
> I am using tomcat+jboss as application server.I have
> setup several tomcat_jboss instances in a cluster
> environment and of course I use struts in my
> application.HttpSession created in one instance will
> get replicated across all members in the cluster.It's
> just what I want.The problem is how should I connect
> the app servers with the backend db server(s)? If I
> use only one db instance,all app server can connect to
> it without any problem,but here lies the bottleneck.I
> want to use several db instances(preferrably
> mysql).How can I do that?
>
> Thanks in advance!
>
> Guo Yingshou
>
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