Date: Mon, 5 Feb 1996 13:24:10 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: babkin@hq.icb.chel.su (Serge A. Babkin) Cc: terry@lambert.org, luigi@labinfo.iet.unipi.it, hackers@FreeBSD.org Subject: Re: FAT filesystem performance Message-ID: <199602052024.NAA14425@phaeton.artisoft.com> In-Reply-To: <199602050350.IAA24118@hq.icb.chel.su> from "Serge A. Babkin" at Feb 5, 96 08:50:19 am
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> > The FAT-caching in the MACH implementation (you *could* just port the > > MACH code...) takes a significant amount of memory, IMO. > > Hmm... FAT can contain at most 64K of entries, each 2 bytes long, so > the needed amount of memory (if you cache raw FAT and don't try to make > any ``cooked'' version) must be at most 128Kbytes long. IMHO the raw FAT > is enough convenient ant takes not very much of memory. I guess this is true, unless you consider what preferential caching does to the locality of reference model in the rest of BSD. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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