The article was confusing a bit confusing about the Garbage Collection so I'll try to explain.

1. Dispora is slow, why?

2. Requests take a long time on the server, why?

3. Most of the time is spent in ruby doing processing.

4. Why is ruby slow?

5. Ruby is slow because of the garbage collector.

6. How can we get around this ruby being slow problem?

7. Reduce calls to server side by writing replacing server side calls with javascript rendering of templates and whatnot.