Date: Mon, 28 Sep 1998 01:40:26 -0500 (CDT) From: Kevin Day <toasty@home.dragondata.com> To: jkb@best.com (Jan B. Koum) Cc: clash@tasam.com, freebsd-hardware@FreeBSD.ORG Subject: Re: Server Stability not good anymore Message-ID: <199809280640.BAA00519@home.dragondata.com> In-Reply-To: <Pine.BSF.4.02A.9809272237330.17093-100000@shell6.ba.best.com> from "Jan B. Koum" at "Sep 27, 98 10:45:23 pm"
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> > On Mon, 28 Sep 1998, Joe Gleason wrote: > > >You would think that 640mb is exesive, but you have never run a shell server > >then. ;-) > >I do need it. At 512mb, I was swaping a good 30mb to disk. > > > >Right now, I am agreeing with your conclusion. > > > > I beg to differ. I have ran a shell server before and still do run > a couple. They might not have as many users/jobs as your server however. > OTOH, my ISP (best.com) runs heave HEAVE loaded servers. They do > all: shell, web, ftp, telnet, pop, imap, etc. But they are not throwing all > their users into a single system - instead they are putting about 2000 > users per box. The boxes are PPro200s with 128MB of RAM. They usually have > 150-200 users on line at any time (this is logged in users + pop/imap/web > users) per system. One of their head engineers (who is also a FreeBSD > developer) wrote an article recently for Newsletter #2 about FreeBSD use > in ISP like environment. Check out: > ftp://ftp.freebsd.org/pub/FreeBSD/newsletter/ > How many users do you have on your system? If it less then 5000 > you should be fine with 512 or less MB of ram (unless the all like to run > emacs at the same time *grin*) > To add some data: Right now, 8 users logged in, 103 eggdrops running, 15 bnc's running, and god only knows what else they've decided to run: shell1# top last pid: 28349; load averages: 0.57, 0.30, 0.51 01:36:44 176 processes: 1 running, 172 sleeping, 3 zombie CPU states: 2.7% user, 0.0% nice, 0.8% system, 1.2% interrupt, 95.3% idle Mem: 214M Active, 12M Inact, 46M Wired, 41M Cache, 8342K Buf, 63M Free Swap: 256M Total, 128K Used, 256M Free (all web/mail/etc is done on another server) We've got 384MB of ram in the box right now - seems to be handling the bursts we get of 5 users deciding to compile something with -j4 at once. :) The PII/400 we're using now seems to be overkill, but our users aren't exactly complaining. :) Kevin Day DragonData To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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