Date: Fri, 13 Jul 2001 13:48:57 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Leo Bicknell <bicknell@ufp.org> Cc: Matt Dillon <dillon@earth.backplane.com>, Drew Eckhardt <drew@PoohSticks.ORG>, hackers@FreeBSD.ORG Subject: Re: Network performance tuning. Message-ID: <Pine.BSF.4.21.0107131348010.70202-100000@InterJet.elischer.org> In-Reply-To: <20010713145135.A26818@ussenterprise.ufp.org>
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terry is servicing 1,000,000 connections.. so I'm sure the savings are real to him... Julian On Fri, 13 Jul 2001, Leo Bicknell wrote: > On Fri, Jul 13, 2001 at 11:47:19AM -0700, Matt Dillon wrote: > > Well, you'd be surprised. 90% of the world still uses modems, so > > from the point of view of a web server it would be a big win. The > > Doesn't that sort of make my point though? With the current defaults of > 16k/socket there is no trouble filling modems, and no one seems worried > about the amount of memory that uses (basically all the installed machines > out there are running just fine). > > So, if we leave a hard minimum of 16k/socket, just chalk that up to waste, > and call it good enough we only have to handle the 10% of the world using > more. > > It would be nice to have the code to scale down 100 modem users to 8k, rather > than 16k, but that's still only 800k of memory recovery (for 100 simultaneous > connections), and we're talking about the ability to support streams that > need up to 1M per stream of buffer, so 800k seems "interesting" but not > "important". > > Better would probably be to lower the default to 8k, more than enough for > modem users, and let the scale up code hit the few 16k people. > > *shrug* > > -- > Leo Bicknell - bicknell@ufp.org > Systems Engineer - Internetworking Engineer - CCIE 3440 > Read TMBG List - tmbg-list-request@tmbg.org, www.tmbg.org > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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