From owner-freebsd-net@FreeBSD.ORG Sun Mar 22 03:00:08 2009 Return-Path: Delivered-To: freebsd-net@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DDB6F106564A for ; Sun, 22 Mar 2009 03:00:08 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id C27238FC0C for ; Sun, 22 Mar 2009 03:00:08 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n2M308AC069845 for ; Sun, 22 Mar 2009 03:00:08 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n2M308TI069844; Sun, 22 Mar 2009 03:00:08 GMT (envelope-from gnats) Date: Sun, 22 Mar 2009 03:00:08 GMT Message-Id: <200903220300.n2M308TI069844@freefall.freebsd.org> To: freebsd-net@FreeBSD.org From: Mark Linimon Cc: Subject: Re: kern/96268: [socket] TCP socket performance drops by 3000% if packets are split at the first byte X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Mark Linimon List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Mar 2009 03:00:09 -0000 The following reply was made to PR kern/96268; it has been noted by GNATS. From: Mark Linimon To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/96268: [socket] TCP socket performance drops by 3000% if packets are split at the first byte Date: Sat, 21 Mar 2009 21:57:07 -0500 ----- Forwarded message from Jost Boekemeier ----- From: Jost Boekemeier To: vwe@FreeBSD.org, freebsd-bugs@FreeBSD.org, freebsd-net@FreeBSD.org Subject: Re: kern/96268: [socket] TCP socket performance drops by 3000% if packets are split at the first byte Hi, from my point of view this issue can be closed. TCP write/write/read sequences are bad on any operating system, it's just that other OS are a little bit smarter. -- I think Jon Nagle has had a proposal to fix/remove this unconditional delay, but I don't know if it has been implemented. Furthermore this problem has been fixed on application level. And I think Patrick van Staveren maintains a FreeBSD port which uses unix domain- instead of TCP socket communication. Regards, Jost Bökemeier _______________________________________________ freebsd-bugs@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "freebsd-bugs-unsubscribe@freebsd.org" ----- End forwarded message -----