Date: Sat, 30 Oct 2004 11:11:35 -0500 From: Eric Anderson <anderson@centtech.com> To: "R. Payette" <premi@altern.org> Cc: freebsd-performance@freebsd.org Subject: Re: Disk buffer / memory utilization Message-ID: <4183BD37.5090007@centtech.com> In-Reply-To: <F1484BB8-2A86-11D9-90C5-0030658DC702@altern.org> References: <0327434A-26F4-11D9-A907-0030658DC702@altern.org> <417E54E9.7030401@centtech.com> <F1484BB8-2A86-11D9-90C5-0030658DC702@altern.org>
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R. Payette wrote: > I've read and tried the tuning man page ( i've gained 2-3 M on the wired ). > > This is typical top output during a build process. It's running awfully > slow because the system spend most of it's time swapping, while there > still is that 14M Buf. I'm not sure you'll really get rid of the 14M Buffers, but you might be able to reduce them - what does: sysctl kern.maxusers report? Is this box solely for compiling? Or is it an NFS server, or web server, etc? > What happened with 16-32M ram unix servers ? what's so big in modern > unix that make it unusable on low-end hardware ? How do you build > kernels that fit on a floppy ( mine is 3.3 M and I thought I removed > everything that could be removed from the kernel config file ) From what I see, there is probably still some stuff that can be removed. Do you need eisa support? NFS? MSDOSFS? IPV6? > freebsd 5.3rc1 > p2 350 > de ethernet card ( generic dec 21041 card ) > ide 4.3G hd > 64M ram > kernel config : http://massonerie.kicks-ass.org/kc Can you send (or post on the net somewhere) the output of: ps -auxw Right after the machine boots cleanly? Eric -- ------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Talk sense to a fool and he calls you foolish. ------------------------------------------------------------------
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