Date: Mon, 15 Oct 2001 15:30:30 -0700 (PDT) From: Matt Dillon <dillon@earth.backplane.com> To: Doug Barton <DougB@yahoo-inc.com> Cc: Matthew Jacob <mjacob@feral.com>, Peter Wemm <peter@wemm.org>, cvs-committers@FreeBSD.ORG, freebsd-arch@FreeBSD.ORG Subject: Re: cvs commit: src/sbin/newfs newfs.8 newfs.c Message-ID: <200110152230.f9FMUUo57520@earth.backplane.com> References: <20011015124636.I29828-100000@wonky.feral.com> <200110152126.f9FLQE956721@earth.backplane.com> <3BCB629A.ACF72517@yahoo-inc.com>
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: What do you guys think of the attached patch? If this is such an
:important issue, it should be documented. I for one am glad I saw this
:discussion, because I'm looking at creating a custom file system for
:about 300,000 files that are 400k or smaller. I'm looking to improve
:file I/O performance, so I thought a smaller frag size might get things
:packed in tighter...
Good idea.
-Matt
:+++ newfs.8 2001/10/15 22:21:39
:@@ -111,6 +111,9 @@
: .It Fl b Ar block-size
: The block size of the file system, in bytes. It must be a power of 2. The
: default size is 8192 bytes, and the smallest allowable size is 4096 bytes.
:+The optimal block:fragment ratio is 8:1.
:+Other ratios are possible, but are not recommended, and may produce
:+unpredictable results.
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