4 ms·
CockroachDB + AWS Time Sync.
by amq 9y ago
CockroachDB + AWS Time Sync.
- elvinyung 9y agogcloud also has an atomic-clock-backed NTP service: https://developers.google.com/time/ https://developers.google.com/time/ Neither provide the guarantees of TrueTime.
- lobo_tuerto 9y agoThis might be interesting: https://www.cockroachlabs.com/blog/living-without-atomic-clocks/ https://www.cockroachlabs.com/blog/living-without-atomic-clo... Excerpt: "...The designers of Spanner call this ‘TrueTime’, and it provides a tight bound on clock offset between any two nodes in the system. TrueTime enables high levels of external consistency. As an open source database based on Spanner, our challenge was in providing similar guarantees of external consistency without atomic clocks."