We are Web 2.0 company that built a hosted Content Management solution from the ground up using LAMP. In short, people log into our backend to manage their website content and then use our API to extract that content. This API gets plugged into templates that can be hosted anywhere on the interwebs.
Scaling for us has progressed as follows:
Shared hosting (1and1) Dedicated single server hosting (Rackspace) 1 Web Server, 1 DB Server (Rackspace) 1 Backend Web Server, 1 API Web Server, 1 DB Server The question is, what's next for us? Every time one of our sites are dugg or mentioned in a popular website, our API server gets crushed with too many connections. Or every time our DB server gets overrun with queries, our Web server requests back up.
This is obviously the 'next problem' for any company like ours and I was wondering if you could point me in some directions.
I am currently attracted to the virtualization solutions but need some pointers on what to consider.