Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!noose.ecn.purdue.edu!iuvax!news!cartan!ndmath!nstar!larry From: larry@nstar.uucp (Larry Snyder) Newsgroups: comp.unix.sysv386 Subject: Re: File system performance Message-ID: <1990Nov01.115148.14436@nstar.uucp> Date: 1 Nov 90 11:51:48 GMT References: <267@srchtec.UUCP> <1990Oct19.130404.25352@nstar.uucp> <1990Oct31.120401.4814@nstar.uucp> <1990Oct31.212543.28245@ico.isc.com> Organization: Northern Star Communications, Limited Lines: 16 rcd@ico.isc.com (Dick Dunn) writes: >just that the code is cleaner and spends a little less time fiddling with >special cases that turn out not to matter. I suspect that cylinder groups >(present in ufs but not FFS) don't help much; they may actually be the >hindrance that makes the performance difference. The Intel release 4 manuals go to great details to explain the gap/cylinder paramters and their "sample setting" whening making filesystems - but their examples are basically for 3b2 drives (all the way up to a big 72 meg drive). -- Larry Snyder, Northern Star Communications, Notre Dame, IN USA {larry@nstar, uunet!sco!romed!nstar!larry, nstar%larry@iuvax.cs.indiana.edu} backbone usenet newsfeeds available Public Access Unix Site (219) 289-0282 (5 high speed lines)