Date: Tue, 6 May 2003 15:49:21 +0400 From: "Artem Tepponen" <temik@egartech.com> To: <freebsd-performance@freebsd.org> Subject: RE: FFS and minfree... Message-ID: <5235EF9BAE6B7F4CB3735789EEF73B2907425F@turtle.egar.egartech.com>
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> From: Charles Swiger [mailto:cswiger@mac.com] > Sent: Monday, May 05, 2003 10:47 PM > > Should they be asking 'Why FS design is so flawed > > that it has this [minfree] requirement' instead? >=20 > No. Good answer. Explains everything. > > Is there any working FS for FreeBSD that does not have this=20 > > requirement? >=20 > The FFS doesn't have a requirement that you reserve any free space,=20 > although doing so is a reasonable default for most=20 > circumstances due to the performance advantages. Were those defaults reasonable when disks were small and files usually were in 100k range? I suspect many of my files are a bit larger. More precise question: will I lose anything performance wise if I'll drop minfree to 0% and partition where this happens contains primarily files in 5Mb+ range? > Do you enjoy having to defragment other filesystem types, by=20 > any chance? Background defragmenter/cleaner/whatever running at 3am actually wouldn't bother me too much. But I do enjoy having a few gigs more. There is no such thing as too much storage. Artem
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