I see two weeks have gone by without so much as a peep on this thread, which leads me to believe there is some confusion in my post. So! Let's take a step back, simplify things a bit, and see if anyone has any thoughts:

Let's go with extreme simplicity first: Connections to the Amazing Charts database drops from time to time. What are some possible causes for this to happen?

From there, I can troubleshoot through these causes and give feedback.