Date: Thu, 15 Jan 2004 10:21:27 -0500 (EST) From: <silby@silby.com> To: <cjh@kr.FreeBSD.org> Cc: andre@freebsd.org Subject: Re: FreeBSD -> Windows HTTP TCP performance Message-ID: <45924.158.6.15.27.1074180087.squirrel@webmail.pair.com> In-Reply-To: <20040116.000401.104115832.cjh@kr.FreeBSD.org> References: <20040113.225411.74714267.cjh@kr.FreeBSD.org> <20040115.224407.41715339.cjh@kr.FreeBSD.org> <4006A3FF.6061AFB9@freebsd.org> <20040116.000401.104115832.cjh@kr.FreeBSD.org>
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>> > net.inet.tcp.delayed_ack: 0 >> >> It's better to have this turned on. > > Some people or webpage recommends turning off delayed_ack for Windows > clients. Which is true? Our delayed ack implementation used to be slightly broken, but this was fixed around 4.5 or so, and is no longer an issue. Everything should be good now, so it should be best to leave delayed acks on. There may be some specific situation in which disabling delayed acks helps, but I would wager that most people offering this advice are just parroting something they heard. Mike "Silby" Silbersack
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