Date: Thu, 25 May 2000 14:45:27 -0400 (EDT) From: Michael Lucas <mwlucas@blackhelicopters.org> To: mellon@pobox.com (Anatoly Vorobey) Cc: hackers@freebsd.org Subject: Re: Proper uses for MFS? Message-ID: <200005251845.OAA67888@blackhelicopters.org> In-Reply-To: <20000525141623.D6776@sasami.jurai.net> from Anatoly Vorobey at "May 25, 2000 2:16:23 pm"
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> You, Matthew Dillon, were spotted writing this on Thu, May 25, 2000 at 10:57:33AM -0700: > > > > I don't particularly like to use MFS for 'large' partitions, mainly > > because cached data blocks wind up in core memory twice (once in MFS's > > memory map, and once in the VM page cache). > > You've said this several times in threads on MFS during recent months, > and I've always wanted to ask: is that a necessary 'feature' of MFS's > architecture, or something which could possibly be fixed without > too much hard work? For instance, would it be possible to force > VM not to cache MFS pages, etc.? It's my understanding that VM caching of MFS is a feature, not a bug. See /usr/share/doc/papers/memfs.ascii.gz . ==ml To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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