Date: Sat, 28 Jan 2006 09:52:25 -0600 From: "Dr. Rich Murphey" <Rich@WhiteOakLabs.com> To: freebsd-performance@freebsd.org Subject: Re: mysql performance tuning @ FreeBSD6 Message-ID: <43DB9339.405@WhiteOakLabs.com> In-Reply-To: <43D9AB3E.3020806@roq.com> References: <43D92D49.4060908@WhiteOakLabs.com> <43D95B6B.8070501@rogers.com> <70e8236f0601261704y5e64013elfb36ec99b409e171@mail.gmail.com> <43D9AB3E.3020806@roq.com>
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Michael Vince wrote: > Joao Barros wrote: > >> On 1/26/06, Mike Jakubik <mikej@rogers.com> 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
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