3 ms·

I also thought this. If you've just got two, how would you know which of them is the correct path?

• skissane 4y ago
  For some applications, not necessary. You can simply detect the error, abort the operation, and retry it from the beginning. If the difference was due to a transient bit flip (due to radiation/etc), odds are high it will work the next time. Obviously that costs some recovery time, but if the application isn't overly time-critical, you can live with it. You also need to make sure your code can handle being interrupted and restarted at any point, even if it was half-way through mutating some data structure.