Date: Fri, 21 Sep 2007 11:30:53 -0500 From: Eric Anderson <anderson@freebsd.org> To: Bruce Evans <brde@optusnet.com.au> Cc: freebsd-fs@freebsd.org, Fluffles <etc@fluffles.net>, Ivan Voras <ivoras@freebsd.org> Subject: Re: Writing contigiously to UFS2? Message-ID: <46F3F1BD.3060306@freebsd.org> In-Reply-To: <20070922021201.C43374@delplex.bde.org> References: <46F3A64C.4090507@fluffles.net> <46F3B4B0.40606@freebsd.org> <20070922021201.C43374@delplex.bde.org>
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Bruce Evans wrote: > On Fri, 21 Sep 2007, Eric Anderson wrote: > >> I recommend trying msdos fs. On recent -CURRENT, it should perform >> fairly well (akin to UFS2 I think), and if I recall correctly, has a >> more contiguous block layout. > > It can give perfect contiguity for data blocks, but has serious slowness > for > non-sequential access to large files, and anyway "large" for msdosfs is > only 4GB. Oops - forgot about the 4GB limit. I was also assuming that the random read in a big file problem wasn't an issue due to the configuration noted by the original poster.. but maybe that's a bad assumption. Eric
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