Date: Thu, 21 Mar 1996 14:53:13 -0800 (PST) From: dima@FreeBSD.org (Dima Ruban) To: pst@shockwave.com (Paul Traina) Cc: freebsd-hubs@FreeBSD.org, jkh@FreeBSD.org, hackers@FreeBSD.org, current@FreeBSD.org Subject: Re: new sup server Message-ID: <199603212253.OAA22066@freefall.freebsd.org> In-Reply-To: <199603211954.LAA02727@precipice.shockwave.com> from "Paul Traina" at Mar 21, 96 11:54:05 am
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Paul Traina writes: > > If you run a mirror and are NOT on freebsd-hubs, get your butt on there > please. > > Freefall updates its trees at 1:00, 7:00, 13:00, and 19:00 pacific time. > It makes sense for other mirrors to attempt to start SUP operations It does make sence. I have only one question. How long does it usualy take to upgrade freefall? one hour, two, three? > at least an HOUR after Freefall /starts/ its update, to insure it has > completed. Do you think, one hour would be enough? > sup2's schedule is currently 2:10, 8:10, 14:10, and 20:10, 4 times a day. > > I would suggest that we coordinate as follows, to avoid overloading the T1 > to freefall: > > Here's my proposal, it's just a proposal, feel free to improve upon it. > > ---------------------------------------------------------------------------- > > SUP windows start 1 hour + ((your mirror number - 1) * 10 minutes). > > e.g. [ALL TIMES PACIFIC TIME] > > sup2 2:10 8;10 13:10 20:10 > sup3 2:20 8:20 13:20 20:20 > sup4 2:30 8:30 13:30 20:30 > sup5 2:40 8:40 13:40 20:40 I'll set up my server to update information at 2:40 and 13:40. > sup6 2:50 8:50 13:50 20:50 > > 4 times a day may be excessive, in which case, pick 1 two or 3 times. > /Preferably/ we should work with our adjacent neighbors to do the right > thing. If you want to sup outside the 100 minute window (assuming 10 > mirrors) then do it whenever you want. This is just to avoid contention > for that precious time right after freefall does its updates. > > Here's an example of neighbor coordination, in the following example, > sup3 and sup4 choose sup windows that would cause them to never overlap. > > sup2 2:10 8;10 13:10 20:10 4x > sup3 2:20 13:20 2x > sup4 8:30 13:30 2x > sup5 2:40 8:40 20:40 3x deal. I've increased 2x -> 3x. Now I have 40 2,8,20 * * * > sup6 13:50 1x > > ---------------------------------------------------------------------------- > > I would /strongly/ reccomend people in general avoid the "on the hour" > timeslot (except for sup7). > > I suspect that Jordan will be trimming off sup's from non-official-mirror > sites real soon now to reduce the load on freefall and the T1. Absolutely agreed. > > Ministry of Information > -- dima
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