> The biggest challenge for me was pushing the server from working 99.9% of the time to 99.99% of the time, because those last few bugs were especially hard to find.
Could you expand upon this some more? How do you know the server works 99.99% of the time (or 99.9%)? Do you run regression tests using actual past requests?
Could you expand upon this some more? How do you know the server works 99.99% of the time (or 99.9%)? Do you run regression tests using actual past requests?