[ntp:questions] Use ntpd as a daemon so that it continuously disciplines clock, no

David J Taylor david-taylor at blueyonder.co.uk.invalid
Mon Jan 17 14:46:28 UTC 2011


> Even when completely idle, ntpd wakes up every second and does quite a
> lot (updating timers, scanning the peer hash table, etc). I'd say that
> starting ntpd two times per day will take much less resources than
> running it continuosly.
>
> -- 
> Miroslav Lichvar

Have you ever measured the resources used by ntpd on a modern CPU? 
Absolutely negligible - at least when serving a dozen clients and serving 
as a stratum-1 PPS clock.  Perhaps a little more with thousands of 
clients, of course.  Not running ntpd continuously will ruin its accuracy.

Cheers,
David 




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