From owner-freebsd-hackers Mon Jul 26 7:24:59 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from mail-blue.research.att.com (mail-blue.research.att.com [135.207.30.102]) by hub.freebsd.org (Postfix) with ESMTP id 7ACB7152EC for ; Mon, 26 Jul 1999 07:24:47 -0700 (PDT) (envelope-from fenner@research.att.com) Received: from alliance.research.att.com (alliance.research.att.com [135.207.26.26]) by mail-blue.research.att.com (Postfix) with ESMTP id B9C094CE30; Mon, 26 Jul 1999 10:23:33 -0400 (EDT) Received: from windsor.research.att.com (windsor.research.att.com [135.207.26.46]) by alliance.research.att.com (8.8.7/8.8.7) with ESMTP id KAA21506; Mon, 26 Jul 1999 10:23:32 -0400 (EDT) From: Bill Fenner Received: (from fenner@localhost) by windsor.research.att.com (8.8.8+Sun/8.8.5) id HAA21226; Mon, 26 Jul 1999 07:23:30 -0700 (PDT) Message-Id: <199907261423.HAA21226@windsor.research.att.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII To: dillon@apollo.backplane.com Subject: Re: Squid - a bug in src/sys/kern/uipc_socket.c Cc: papezik@pvt.net, hackers@freebsd.org References: <37976C03.A4A797A7@pvt.net> <199907222056.NAA87639@apollo.backplane.com> <199907260154.SAA18221@windsor.research.att.com> <199907260515.WAA43000@apollo.backplane.com> Date: Mon, 26 Jul 1999 07:23:30 -0700 Versions: dmail (solaris) 2.2c/makemail 2.8t Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG PRUS_MORETOCOME is indeed too complex to solve the microcosmic problem of writes between 100 and 208 bytes; however, it solves the more general problem of the Nagle/MTU interaction even when the MTU is larger than a cluster (e.g. loopback, ATM, FDDI, etc). Try the atomic patch (and remove PRUS_MORETOCOME) with writes of 2049-2256 bytes on the loopback interface. Same with LOCAL-domain sockets (with the uipc_usrreq.c patch I sent you). Bill To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message