Date: Sun, 01 Oct 2006 09:12:55 -0400 From: Randall Stewart <rrs@cisco.com> To: pyunyh@gmail.com Cc: Peter Lei <peterlei@cisco.com>, Michael Tuexen <tuexen@fh-muenster.de>, Robert Watson <rwatson@freebsd.org>, "George V. Neville-Neil" <gnn@neville-neil.com>, freebsd-current@freebsd.org Subject: Re: Some interesting plots Message-ID: <451FBED7.50701@cisco.com> In-Reply-To: <20060930085506.GA32513@cdnetworks.co.kr> References: <451D5801.8030504@cisco.com> <20060930085506.GA32513@cdnetworks.co.kr>
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Pyun: Nope, the test is between em1 <----> em0 The only way the msk0 would be used is in the event of loss..via a t3 timeout... and there are no timeouts that happen in this plot. R Pyun YongHyeon wrote: > On Fri, Sep 29, 2006 at 01:29:37PM -0400, Randall Stewart wrote: > > All: > > > > As you all may know I have been working on getting SCTP > > into Current.. > > > > I have been, of late, trying to tweak things to get > > the BEST performance out of the implementation... > > > > I have moved my testing off between two 7.0 machines.. same > > code base on each updated Sep 25. > > > > One is a 2.8Gig Dell SC1600 Xeon.. (hyper threaded CPU). > > The other is a P4D (2.8Gig .. slightly faster, true dual > > processor machine). > > > > They are connected by two intel EM server cards like so: > > > > > > +----+ +----+ > > 1 | em1 <---------------------> em0 | 2 > > | em0 <-----locallan--------> msk0| > > | dc0 <-Direct Inet | > > +----+ +-----+ > > > > > > em1 has 10.1.2.12 em0 10.1.2.21 > > em0 has 10.1.1.12 msk0 10.1.1.21 > > > > [...] > > > One other note, I see TCP is only getting 250Meg or so on the > > same test (It can run either).. now it used to get close to > > the full pipe (Gigbit).. so is there some issue with the new code > > that was recently submitted? > > > > I'm not sure but it seems that you've used experimental msk(4) on > CURRENT. ATM msk(4) has Rx performance issue. So if you get very > poor receive performance it would be msk(4) issue. > -- Randall Stewart NSSTG - Cisco Systems Inc. 803-345-0369 <or> 815-342-5222 (cell)
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