[ntp:questions] Change poll interval at runtime?

Richard B. Gilbert rgilbert88 at comcast.net
Sat Feb 25 21:09:16 UTC 2012


On 2/25/2012 1:20 AM, A C wrote:
> On 2/24/2012 21:26, A C wrote:
>> Is it possible to change the polling interval of one or more associated
>> servers at runtime? It seems like I should be able to run:
>>
>> ntpq -c "writevar &associd hpoll=N" or is it ppoll?
>>
>
> Actually, I should have been more specific and say change the minimum
> polling interval. In other words, be able to adjust the conf file's
> minpoll flag at runtime instead of restarting.

What problem are you trying to solve?

NTPD does a pretty good job of adjusting itself most of the time.

Short poll intervals are useful when correcting large errors.
Long poll intervals allow NTPD to make small corrections very accurately.



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