4 ms·
If you want to know just how hard this can be with bare metal that you control, take a look at this: https://signalsandthreads.com/clock-synchronization/ https:
by gravypod 5y ago
If you want to know just how hard this can be with bare metal that you control, take a look at this: https://signalsandthreads.com/clock-synchronization/ https://signalsandthreads.com/clock-synchronization/
- jeffbee 5y agoOn the other hand, if you run in Google Compute Engine you get accurate clock discipline for free.
- electricshampo1 5y agoThis is just best effort on google's end right? Don't think anything is documented/guaranteed such that you would be able to, for ex. rely on it like spanner's use of true time.
- jeffbee 5y agoSure, you'd have to invent the rest, but TrueTime isn't about having perfect clocks, it's about estimating the error of your peer's clocks. Having a reasonable platform clock is a good starting point, and addresses the problems discussed in the Jane Street article.