Date: Thu, 28 Oct 1999 16:42:42 -0700 From: "Scott Hess" <scott@avantgo.com> To: "Michael Beckmann" <petzi@apfel.de>, "Mike Smith" <mike@smith.net.au> Cc: <hackers@FreeBSD.ORG> Subject: Re: Limitations in FreeBSD Message-ID: <15f901bf219e$20df55c0$1e80000a@avantgo.com> References: <19991029011348.B2757@apfel.de> <199910282253.PAA02302@dingo.cdrom.com> <19991029020253.A3005@apfel.de>
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Michael Beckmann <petzi@apfel.de> wrote: > On Thu, Oct 28, 1999 at 03:53:20PM -0700, Mike Smith wrote: > > How severe is the performance > > penalty (have you actually measured it yet, or are you just going on > > word of mouth)? > > The latter. Measuring would be difficult due to lack of tools, and IŽd > rather not make life tests in production machines. Urk! I don't mean to be insulting, but the notion that you would roll _any_ solution out for a problem of this size based on word of mouth freaks the crap out of me. If you have a genuine need for 500Gig of news spool, and enough users that mmap'ed I/O in nntp is needed and the number of file descriptors is going to be a problem, and you're willing to change architectures if need be, then if you don't have tools - I'd suggest you write some! [And better to start early, because once you roll into production it's too late to write the tools :-),] scott To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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