On Sunday 05 February 2006 10:48, Ask Bjørn Hansen wrote: > On Sep 14, 2005, at 0:03, Nelson Minar wrote: > > My American MacOS 10.3.9 box has the following /private/etc/ntp.conf: > > server time.apple.com minpoll 12 maxpoll 17 > > Interesting minpoll/maxpoll, that means polling somewhere between once > > an hour and once every day and a half. I guess they chose to trade off > > accuracy for scalability. > > Yesterday I added "server recommendations" to the zone browser on > www.pool.ntp.org.
Great work! Hmmm. How about doing a machine readable form of this (for example by specifying &txtonly=yes on the URL), so a hypothetical ntp package autoconfigurator could use this to automatically set up ntp.conf by querying this page (perhaps we should even counsel ntp packagers to do this from the init script instead of package installation...). machine readable would be something like +-- | # automatically generated from http://www.pool.ntp.org/zone/ca | server 0.ca.pool.ntp.org | server 1.ca.pool.ntp.org | server 2.ca.pool.ntp.org +-- served as text/plain, so it can be included directly into ntp.conf by a script. > Anyway, I've been pondering if I should add a minpoll/maxpoll > recommendation (and ask vendors (Red Hat, Debian, the *BSDs, etc) to > include it too. A long, long time ago, I've included a recommendation to use maxpoll 12 in the pool web page, but dropped it at the recommendation of the ntp people. And given that our load problem mostly misbehaving clients, and not number of well-behaved clients, this is not an issue. As for minpoll, I think ntpd's default is just fine. > Not as aggressive as the Apple configuration, but > maybe bumping maxpoll by a few bits. (Also, maybe the recommended > line should include "iburst"?). Hmmm. That might not be such a bad idea. Dunno. cheers -- vbi -- Es ist gefährlich, über einen Witz zu lachen. Man bekommt ihn dann immer wieder zu hören. -- Danny Kaye (eig. Daniel David Sominski)
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