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Well I run an ntp stratum 1 server handling 2800 requests a second on average (3.6mbit/s total average traffic), and a flight radar24 reporting station, plus some other rarely used services.
The fan only comes on during boot, I've never heard it used in normal operation. Load averages 0.3-0.5. Most of that is Fr24. Chrony takes <5% of a single core usually.
It's pretty capable.
Wait what? Do I understand that correctly? You have a raspberry pi with a direct network connection to an atomic clock? That's so awesome!
No. A GPS (with PPS) hat. That counts as a stratum 0 time source, making the NTP server stratum 1.
Ah, gotcha.
Is there like a list where you can enter your server so that other people use it as an ntp server? Or how did you advertise it to have 2800 requests flooding in?
I'm in the ntppool.org pool for the UK. It randomly assigns servers which could be any stratum really (but there is quality control on the time provided). I also have stratum 2 servers in .fi, and .fr (which are dedicated servers I also use for other things, rather than a raspberry pi).