From owner-freebsd-hackers Wed Jun 20 3:29:39 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from ip.eth.net (mail.ip.eth.net [202.9.128.18]) by hub.freebsd.org (Postfix) with ESMTP id D940237B403 for ; Wed, 20 Jun 2001 03:29:33 -0700 (PDT) (envelope-from asr@softhome.net) Received: (apparently) from vangogh.indranetworks.com ([61.11.16.239]) by ip.eth.net with Microsoft SMTPSVC(5.5.1877.117.11); Wed, 20 Jun 2001 15:58:53 +0530 Date: Wed, 20 Jun 2001 16:04:53 +0530 (IST) From: "Ashutosh S. Rajekar" To: Terry Lambert Cc: Matt Dillon , freebsd-hackers@FreeBSD.ORG Subject: Re: max kernel memory In-Reply-To: <3B307373.74C7316A@mindspring.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, 20 Jun 2001, Terry Lambert wrote: > Their 3200 only has 1G of RAM; you could _barely_ fit the > TCP state for 1,000,000 connections into just 1G of RAM, > and have a tiny amount left over for buffers, drivers, > the rest of your kernel, etc.. I can't believe that their > 3100 (only 512M of RAM) could do it, just based on what I > know from the structure sizes needed for the state. You > can fool some of the people, but you can't fool Stevens... Yes. One of their engineers did mention that memory management was definitely a problem for them ... And their bragging number is also a bit far-fetched. I bet with the 3xxx type of boxes they can't support more than 10000 active connections, each sending/receiving 40k of dynamically generated HTML by websites like google/altavista. And Stevens is the authority. Even if he's no longer around. -ASR --------------------------------------------------------------------- ("`-''-/").___..--''"`-._ (\ Indra Networks Pvt. Ltd `6_ 6 ) `-. ( ).`-.__.`) Pune, INDIA. (_Y_.)' ._ ) `._ `. ``-..-' mailto: asr@softhome.net _..`--'_..-_/ /--'_.' ,' http://www.rajekar.org (il),-'' (li),' ((!.-' http://www.indranetworks.com --------------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message