From owner-freebsd-hackers Mon Dec 16 22:18: 5 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9E05C37B401 for ; Mon, 16 Dec 2002 22:18:04 -0800 (PST) Received: from xorpc.icir.org (xorpc.icir.org [192.150.187.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id 49BFF43EE1 for ; Mon, 16 Dec 2002 22:18:04 -0800 (PST) (envelope-from rizzo@xorpc.icir.org) Received: from xorpc.icir.org (localhost [127.0.0.1]) by xorpc.icir.org (8.12.3/8.12.3) with ESMTP id gBH6HpTO099488; Mon, 16 Dec 2002 22:17:51 -0800 (PST) (envelope-from rizzo@xorpc.icir.org) Received: (from rizzo@localhost) by xorpc.icir.org (8.12.3/8.12.3/Submit) id gBH6Hofe099487; Mon, 16 Dec 2002 22:17:50 -0800 (PST) (envelope-from rizzo) Date: Mon, 16 Dec 2002 22:17:50 -0800 From: Luigi Rizzo To: mika ruohotie Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: net.inet.ip.dummynet.hash_size Message-ID: <20021216221750.B99444@xorpc.icir.org> References: <20021216111042.A61440@rigel.grass.st> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20021216111042.A61440@rigel.grass.st>; from bsdhack@aeon.st on Mon, Dec 16, 2002 at 11:10:42AM +0200 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 Mon, Dec 16, 2002 at 11:10:42AM +0200, mika ruohotie wrote: > > hello, > > ipfw man page says: > > buckets hash-table-size > Specifies the size of the hash table used for storing the various > queues. Default value is 64 controlled by the sysctl(8) variable > net.inet.ip.dummynet.hash_size, allowed range is 16 to 1024. > > and my question is if it's possible to somehow go beyond 1024, or if > doing so wouldnt be adviced. (ie, performance would be poor or so) i think there was some recent commit which raises the limit above 1024 -- mind you, the number of buckets is not the upper bound for the number of flows. cheers luigi > i'd need to experiment shaping with "large" supernets giving each > single ip addresses a designated bandwidth. (i'm using gigabit, if > someone wonders if i really need that many, and the answer is "yes") > > > mickey > > 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