Date: Sun, 31 Mar 1996 13:49:15 -0500 (EST) From: Brian Tao <taob@io.org> To: FREEBSD-HACKERS-L <freebsd-hackers@freebsd.org> Subject: Lowering minfree to 1% on large disks Message-ID: <Pine.NEB.3.92.960331133320.29121H-100000@zap.io.org>
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I know the tunefs man page contains warnings about lowering the
minfree threshold on a disk to below 5%, but besides file write
performance, is there any other reason *not* to drop it down to 1 or
2 percent?
The specific application is with FTP filesystems. I have a couple
of 4GB disks for our mirror archives and I wouldn't mind recovering
the 300MB or so on each drive. Yeah, disk is cheap, but it still
seems like a waste to me.
Since the only writes occuring on those drives come from the
mirror process, I figure network performance will always be the
bottleneck rather than disk writes.
--
Brian Tao (BT300, taob@io.org)
System and Network Administrator, Internex Online Inc.
"Though this be madness, yet there is method in't"
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