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> We consider these types of failures "within error budget" events. They are expected, accepted, and engineered into the design criteria of our systems. However
by alephnan 7y ago
> We consider these types of failures "within error budget" events. They are expected, accepted, and engineered into the design criteria of our systems. However, they still get tracked down to make sure they aren’t forgotten and accumulated into technical debt
- Nextgrid 7y agoYes, I understand that application-level exceptions can sometimes be "budgeted for" and a certain amount of them is acceptable. Hardware metrics on the other hand should IMO be monitored and alerts should be in place for when things go wrong, as the consequences of it could potentially be way more serious.
- jefftk 7y agoThings look very different when you have as much hardware as Google does. (Disclosure: I work for Google)
- pas 7y agoWhen the CPU hits the thermal envelope regularly and throttles itself that seems like a serious enough problem. Sure, if it's a normal part of cost optimization, then it won't stand out.