Date: Wed, 08 Dec 1999 02:38:04 -0800 From: David Greenman <dg@root.com> To: JMS Internet <webmaster@jmsinternet.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Memory Usage Message-ID: <199912081038.CAA19626@implode.root.com> In-Reply-To: Your message of "Tue, 07 Dec 1999 14:18:58 PST." <4.2.2.19991207141345.00d7ef00@mail.jmsinternet.com>
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>My server runs on a dedicated 10mbps connection. Unfortunately after >installing additional ram to help speed up the system I have had no luck >determining why the memory is used up as soon as I start the system. The >system serves webpages only, so Apache and sendmail are really my only >programs running. I've taken the following measurements from 'top' in case >it helps anyone, while running normally my system shows: >784M Active 46M Inactive 129M Wired 34M Cache 8M Buffer 3M Free >After stopping Apache (leaving approximately 20 megs of programs and system >utilities left running I get the following numbers) >577M Active 46M Inactive 111M Wired 29M Cache 8M Buffer 236M Free > >My question mainly pertains to why the system is not 'freeing' up the >memory even though it is not actually doing anything. I'm assuming that >could be the reason I'm having such a hard time with system >response. Telnet sessions are almost impossible until Apache is killed, >and FTPing isn't much better. Anyone's help would be greatly appreciated... FreeBSD keeps file data cached in memory whenever possible. I'd guess that your slowness is due to network congestion (which goes away after you kill off Apache) and not the system itself. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org Creator of high-performance Internet servers - http://www.terasolutions.com Pave the road of life with opportunities. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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