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PToN
Premium Member
join:2001-10-04
Houston, TX

PToN

Premium Member

Loadbalancing + clustering Tomcat 6

Hello,

Ok, we are testing Liferay portal and in order to provide a proof of concept i need to make it as close as possible as what the production environment would be.

I am separating everything into different servers, my plan is to have:
- 2 Apache load balancers (apache +mod_jk and clustered?)
- 2 Tomcat servers (clustered)
- 2 MySQL servers (clustered)

The only one i am having question about is the load balancing section as the other 2 are pretty much straight forward.

- Load Balancers: Apache + mod_jk
I can set them up individually without any problems, but how can i make them redundant? DNS round robin? another cluster? or does the mod supports HA via config params? I can only see this as a hot-standby unless there is a hot-hot way of getting this working???

See i dont want the load balancing part to be the single point of failure.

Any ideas?
Thanks.