It's hard to believe but RCGroups has been running for almost 4 straight years on a single web frontend server. Despite all the increase in traffic and user activity, and the CPU utilization being near or over 100% in the busy hours, it handled the load just fine. But it was evident that it's time to move on. So a few days ago another frontend server was added to offload most of the traffic from the main server. The addition has been absolutely transparent, and the cool thing is that should the need arise, we can add new frontend servers on the fly and the load will be distributed among them.

Approximately 10-12 hours ago RCGroups gained its 14th million post! (and I missed it again...):