alt Hacker NewsI see something like this and I wonder "what testing methodology would have found this?" It has to be general, not something that would involve knowing what the bug was ahead of time.
I see something like this and I wonder "what testing methodology would have found this?" It has to be general, not something that would involve knowing what the bug was ahead of time.
When your scale is large enough, you move to "what monitoring methodology will find this?"
When you're doing enough transactions you start to see a noise floor of e.g. bit flips from cosmic rays, and looking for issues involves correlating/categorizing possible software failures and distinguishing them from the misbehavior of hardware.