Date: Wed, 17 Nov 1999 23:17:54 -0600 From: Dan Nelson <dnelson@emsphone.com> To: Mike Tancsa <mike@sentex.net> Cc: questions@FreeBSD.ORG Subject: Re: Increasing disk cache Message-ID: <19991117231754.A15240@dan.emsphone.com> In-Reply-To: <4.1.19991117234540.04c45e10@granite.sentex.ca>; from mike@sentex.net on Wed, Nov 17, 1999 at 11:56:24PM -0500 References: <4.1.19991117234540.04c45e10@granite.sentex.ca>
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In the last episode (Nov 17), Mike Tancsa said: > > I have a somewhat large postgres database on a server (currently about > 6gig). The data is only written to once a day, and otherwise is just read > the rest of the day. The machine has after running for a while shows > Mem: 23M Active, 99M Inact, 16M Wired, 8664K Cache, 8344K Buf, 40M Free > > Would it make sense to tune my kernel so that the disk cache is larger ? > If so, where would I tune this. FreeBSD uses all available RAM as a disk cache. The Inact, Cache, and Buf amounts are all "cache" memory, just varying types. I'm sort of surprised about the 40M of Free memory, though. Most systems hover at < 5M free. Did a memory-hogging process (Netscape, say) just exit? -- Dan Nelson dnelson@emsphone.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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