How do I establish clock synchronization in the cloud (AWS, heroku, etc) across many nodes?

Question

I would like to run a large cluster of nodes in the cloud (AWS, Heroku, or maybe self-manged VMS), whose clocks must be synchronized with a predefined tolerance in mind. I\'m l

Answer 1

After struggling with NTP on VMs for so many months, we have switched using the chrony https://chrony.tuxfamily.org. I have found it to be far superior to ntpd in so many respects (configuration, control, documentation, handling issues where vm clock drifts often and drastically).

Use chrony and don't look back :)