From owner-freebsd-questions Sun Dec 16 10:56: 1 2001 Delivered-To: freebsd-questions@freebsd.org Received: from gadolinium.btinternet.com (gadolinium.btinternet.com [194.73.73.111]) by hub.freebsd.org (Postfix) with ESMTP id F37E737B419 for ; Sun, 16 Dec 2001 10:55:57 -0800 (PST) Received: from host213-123-128-172.in-addr.btopenworld.com ([213.123.128.172] helo=there) by gadolinium.btinternet.com with smtp (Exim 3.22 #8) id 16FgRu-0004rm-00; Sun, 16 Dec 2001 18:55:47 +0000 Content-Type: text/plain; charset="iso-8859-1" From: Dominic Marks To: Roy Sigurd Karlsbakk Subject: Re: in-kernel web server??? Date: Sun, 16 Dec 2001 18:56:00 +0000 X-Mailer: KMail [version 1.3.2] Cc: References: In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sunday 16 December 2001 6:36 pm, Roy Sigurd Karlsbakk wrote: > > Have you experimented with FTP and NFS copy speeds for > > comparison? > > I can't use them. Currently, I heed to run http. > > > AFAIK FreeBSD does not support zero copy. There are some patches > > floating around but I have no knowledge about them. > > Are you sure? > > According to Paal Halvorsen, PhD on 'improving i/o performance on > multimedia systems' (see > http://ConfMan.unik.no/~paalh/index2.html), he says sendfile() is > supported under FreeBSD. Sendfile is supported. As I understand it being able to do zero copy memory access and using sendfile are not the same thing. Sendfile may be implemented with zero copy, or it may not. I may be wrong with this issue. > roy -- Dominic To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message