Date: Wed, 9 Jul 2003 10:41:35 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: John Polstra <jdp@polstra.com> Cc: current@freebsd.org Subject: Re: wierd dsl performance with -CURRENT Message-ID: <Pine.BSF.4.21.0307091039200.87910-100000@InterJet.elischer.org> In-Reply-To: <200307091728.h69HSii2022610@strings.polstra.com>
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On Wed, 9 Jul 2003, John Polstra wrote: > In article <20030709122610.E3831@alpha.yumyumyum.org>, > Kenneth Culver <culverk@yumyumyum.org> wrote: > > Recently, for some wierd reason, with FreeBSD-CURRENT my DSL > > downloads have gotten about 10-15 KB/sec slower than they used to be.. I > > used to get 160KB/sec downloads, and now can only manage about 145. I was > > wondering if there are any ideas what is causing this. I'm sure it's a > > FreeBSD problem because when I boot up windows or hook my mac straight to > > the dsl modem, each of those gets the full 160KB/sec download (from the > > same site, ftp2.freebsd.org) but when I download from FreeBSD, the speed > > drops. > > Just as an experiment, try setting "net.inet.tcp.newreno" to 0 using > sysctl(8). It might help; it might not. Please let us know. I think he is timing transfers from a Mac THROUGH the BSD box.. If so then a change in throughput would be due to a change in ppp behaviour.. It would be interesting to see if it changed with 1/ using mpd as the ppp client (as it uses an in-kernel pp node) 2/ ULE changes anything (as it may be that it's a scheduler thing with ppp being a user program). julian
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