Date: Sat, 31 Jan 1998 03:06:05 +0100 From: Ollivier Robert <roberto@keltia.freenix.fr> To: cvs-committers@FreeBSD.ORG Subject: Re: cvs commit: src/sys/conf files options src/sys/i386/conf LINT src/sys/i386/i386 autoconf.c src/sys/kern init_main.c init_sys Message-ID: <19980131030605.34628@keltia.freenix.fr> In-Reply-To: <19980130162329.10474@right.PCS>; from Jonathan Lemon on Fri, Jan 30, 1998 at 04:23:29PM -0600 References: <015201bd2dc9$c7e51f00$2844c00a@cello.synapse.net> <19980130162329.10474@right.PCS>
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According to Jonathan Lemon: > Well, from what I understand of LFS, it performs best as a 'write-only' > filesystem. You aren't really supposed to be reading from an LFS, you > should be reading from your memory cache. From that perspective, I heard > one professor call a 64MB cache "small" for a LFS system. If you read Margo's thesis, the huge memory consumption is the big problem of Sprite and LFS is supposed to need less memory. One of its biggest problem apart from being incompatible with the unified buffer cache/VM is that many features were never implemented (like the rollback fsck). The thesis is very enlightning on FS and their flaws BTW. -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr FreeBSD keltia.freenix.fr 3.0-CURRENT #54: Mon Jan 26 20:29:17 CET 1998
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