Date: Tue, 27 Nov 2001 11:21:22 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Sheldon Hearn <sheldonh@starjuice.net> Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sbin/newfs newfs.8 Message-ID: <200111271921.fARJLMf93880@apollo.backplane.com> References: <84231.1006880867@axl.seasidesoftware.co.za>
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:On Tue, 27 Nov 2001 09:01:17 PST, Sheldon Hearn wrote:
:
:| sbin/newfs newfs.8
:| Log:
:| Correct the example introduced in rev 1.29, which suggested a block:frag
:| size ratio other than 8:1. Currently, we only recommend an 8:1
:| ratio, because the impact of others ratios has not been adequately
:| investigated.
:
:I'm still not sure that the following text in the manual page is
:accurate:
:
: These values tend to produce better performance than the defaults
: for file systems larger than about 5 gigabytes.
:
:So far, my Postmark benchmarks on filesystems as small as 128M all show
:performance improvements using 16k:2k, given an average file size of 2k
:or more. It seems to me that the decision on what block:frag sizes to
:use has much more to do with file sizes than with filesystem sizes.
:
:Matt, do you have any comments on the manual page text quoted above?
:
:Ciao,
:Sheldon.
I think the manual page is no longer accurate. It was just guesswork
on my part. Go ahead and fix it.
-Matt
Matthew Dillon
<dillon@backplane.com>
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