From owner-freebsd-performance@FreeBSD.ORG Sat Jan 28 15:52:39 2006 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 436FC16A422 for ; Sat, 28 Jan 2006 15:52:39 +0000 (GMT) (envelope-from Rich@WhiteOakLabs.com) Received: from whiteoaklabs.com (mail.whiteoaklabs.com [69.55.226.191]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7756A43D45 for ; Sat, 28 Jan 2006 15:52:36 +0000 (GMT) (envelope-from Rich@WhiteOakLabs.com) Received: from xa.home.org (cpe-67-10-34-126.houston.res.rr.com [67.10.34.126]) by whiteoaklabs.com (8.12.11/8.12.11) with ESMTP id k0SFqY9T031504 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sat, 28 Jan 2006 07:52:35 -0800 Received: from [127.0.0.1] (a.home.org [172.16.1.6]) by xa.home.org (8.13.4/8.13.4) with ESMTP id k0SFqTqg070761 for ; Sat, 28 Jan 2006 09:52:30 -0600 (CST) (envelope-from Rich@WhiteOakLabs.com) Message-ID: <43DB9339.405@WhiteOakLabs.com> Date: Sat, 28 Jan 2006 09:52:25 -0600 From: "Dr. Rich Murphey" User-Agent: Thunderbird 1.5 (Windows/20051201) MIME-Version: 1.0 To: freebsd-performance@freebsd.org References: <43D92D49.4060908@WhiteOakLabs.com> <43D95B6B.8070501@rogers.com> <70e8236f0601261704y5e64013elfb36ec99b409e171@mail.gmail.com> <43D9AB3E.3020806@roq.com> In-Reply-To: <43D9AB3E.3020806@roq.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: mysql performance tuning @ FreeBSD6 X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Jan 2006 15:52:39 -0000 Michael Vince wrote: > Joao Barros wrote: > >> On 1/26/06, Mike Jakubik wrote: >> >> >>> Rich Murphey wrote: >>> >>>> I'm curious whether Robert's patch might have an >>>> effect on samba3 performance as well. >>>> >>> No real difference here, tried ACPI-fast, i8254, and TSC. :( My >>> transfers still average at 10MB/s (although it did peak at 20MB/s once) >>> Which is really horrible for a em gigabit link with jumbo frames >>> enabled. The performance of Samba on FreeBSD just stinks, for unknown >>> reasons. >>> >> >> No real difference here too... >> >> I started a thread on that subject not long ago and following Robert's >> tip setting net.inet.tcp.inflight.enable=0 yielded better results. >> >> -- >> Joao Barros >> _______________________________________________ >> >> > With the new TCP/IP stack replacement and major updates to the em > driver in FreeBSD -current this should all turn around. I believe I > saw a cvs commit for em a little while ago saying the new em driver > can achieve higher transfer rates then using em with polling enabled. > Hopefully this stuff will make it into 6.1-Release > > Mike I'm using both polling on the em interfaces and net.inet.tcp.inflight.enable=0 w/6.0 release. Without these, I still see a a repeatable 10% or so increase when switching from i8254 to TSC timecounter. Cheers, Rich