Date: Wed, 9 Feb 2000 11:49:21 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: Systems Technician <systech@maui.net> Cc: questions@FreeBSD.ORG Subject: Re: high load averages on mail server Message-ID: <20000209114921.C17536@fw.wintelcom.net> In-Reply-To: <20000209091709.A12776@work.maui.net>; from systech@maui.net on Wed, Feb 09, 2000 at 09:17:09AM -1000 References: <20000209091709.A12776@work.maui.net>
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* Systems Technician <systech@maui.net> [000209 11:38] wrote: > Aloha, > > I'm stumped! Here's what I got FreeBSD 3.4 running Sendmail 8.9.3 > and Cucipop for POP. (I've tried qpopper and no noticeable difference.) > Anyhow, my load averages just skyrocket from 8 - 5pm, especially in the morning > when people are checking their email at work or home. I attached a print out > of 'w', 'top', 'vmstat 1', and 'systat -vm 1'. > > I have 384M of RAM, but it looks to me, using 'systat -vm 1' that the > box is only using a small portion of it. This doesn't look right to me and > I'm wondering if this is indicative of bad memory. Lastly, I only see this > happening when there are a large number of connections being made to this box. > Perhaps this is an i/o probably, but I too stupid to figure that out. Like > always any help will be appreciated and I'll mail a box of chocolate cover > Macadamia Nuts to the person that helps out the most...that should get you > going! ;) You pretty much nailed it on the head, you have... > PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND > 53298 xxxxxxx 91 0 1188K 852K RUN 0:22 29.02% 26.76% cucipop > 53391 root 57 0 1860K 1016K RUN 0:03 9.46% 6.15% top > 53508 xxxxxxx 92 0 1128K 792K RUN 0:01 17.88% 4.64% cucipop > 107 root 2 0 6904K 6348K select 2:28 1.61% 1.61% named what seems to be some pretty CPU intensive pop3 daemons running, not only that but a whole bunch of them. Load avg is some mystical calculation involving how much contention for reasources there is on the machine. you have contention. there may be a more effecient pop3 daemon you might want to try, either that or get more CPU and better disks. -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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