Date: Fri, 4 Aug 1995 02:15:19 -0500 (CDT) From: serges@umr.edu To: freebsd-questions@freefall.cdrom.com Subject: Re: 2.0.5 Eager to go into swap Message-ID: <m0seGyV-0004JUC@nero.uucp> In-Reply-To: <199508040512.WAA19121@freefall.cdrom.com> from "John Dyson" at Aug 3, 95 10:12:58 pm
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> > These issues regarding swapping are interesting, but I have some > anecdotal evidence regarding the quality of hardware making a > big difference in system perf. As you all know, I am a member > of the FreeBSD core team and have alot at stake regarding my > professional reputation. I work at a very big communications > company and we had the need to put together a large (FreeBSD) Unix box > and alot of small ones too. The small ones need to run X and > Netscape in 8MB!!! To put it mildly, my coworkers were not > impressed with the system performance (nor was I.) Well, I > did a bit of analysis and found that the Connor 204 IDE drive > was a bit slow :-). I installed a Quantum Fireball(?) drive > and the system is now very snappy. :-). Problem solved... Note > that we also upgraded the processor from a 486/33 to a DX4/100, > and noticed only a minor difference in performance. > I suspect that part of the reason for the varied performance reports > has partially to do with disk performance among other things. > Paging performance depends very highly on your disk performance > and there is almost no way around that simple fact!!! I agree with all of your points, completely. However, my statements have been based on the fact that I have perceived a noticable performance difference in the area of paging, on the *same* hardware configuration while running a simular load on other Intel Unix platforms. Here the common denominator is the kernel and the 'userland' design. Id also like to thank those FreeBSD developers and others who have responded to this thread. Personally, Ill attack the situation from a user standpoint. I think reducing the size of my X server and recompiling with the gnumalloc with help. Also, I need to increase the size of my swap since the old rule of thumb that I was using doesnt seem to make much since on FreeBSD. Again, thanks for the pointers. :) Serges. > John > dyson@root.com > > >
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