It seems like an odd decision to invest in building your own framework to get around a 20% performance improvement on your existing system (80k -> 100k+). Was t

It seems like an odd decision to invest in building your own framework to get around a 20% performance improvement on your existing system (80k -> 100k+). Was there really no way to get better performance by tuning the existing system, or throwing more hardware at the problem? I'd love to read about what else was tried before the decision to abandon Storm was made.