From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-x22d.google.com (mail-ob0-x22d.google.com [IPv6:2607:f8b0:4003:c01::22d]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id A41AF21F53C for ; Thu, 4 Jun 2015 11:11:05 -0700 (PDT) Received: by obew15 with SMTP id w15so38693077obe.1 for ; Thu, 04 Jun 2015 11:11:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=jBCNHcSfEl35vJPuuxVzxOZUOUVMy/FZbSANb5ckXC4=; b=K5ZZ7dc46eH+9h0zT72vYFEbk2HkvQfh96kSMVPCzi0mqs9iI3OrNZ9aGuhIA92zMh 13T3Dv/+g6sGYp7NAgBfRC+7S2HhE4XSkmFh6RZ4N1DcnIqT69mi2i77R+fAquUGVGmw xiG0wKCKfm1Vs5Qq0MaMTtqtNPf50pWoPK+kw2gEm++7qs4L0PghaXH6L9KmnJafMsA3 eywn57BLvln5pojHzWmND3cVPtzcM1bWIPrH+qrXFhkb6msi47qblhnPOTusJWDs4zN+ RohR+Izbve0QAcLOCM2wYYYdQ5RtqM9UXJa0U6GIWMAeiqcQT54rXAPryI2TO2+4X3+p YNMQ== MIME-Version: 1.0 X-Received: by 10.202.216.138 with SMTP id p132mr5118157oig.133.1433441464674; Thu, 04 Jun 2015 11:11:04 -0700 (PDT) Received: by 10.202.105.129 with HTTP; Thu, 4 Jun 2015 11:11:04 -0700 (PDT) In-Reply-To: References: Date: Thu, 4 Jun 2015 11:11:04 -0700 Message-ID: From: Dave Taht To: cake@lists.bufferbloat.net Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] a little bit of cake testing X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jun 2015 18:11:33 -0000 not very well controlled dataset at: http://snapon.lab.bufferbloat.net/~d/fishcake/ On Thu, Jun 4, 2015 at 11:10 AM, Dave Taht wrote: > I did a bit of setup on my connection to give me a decent rrul result. > (I was not rate limiting inbound enough) The duration of the initial > load spike is much less pronounced than the fq_codel result. I note > that I have offloads still on, so I imagine fq_codel is getting > tweaked by that.... > > but ingress gets way out of hand later on in this test. I can make an > argument for decay (count/2) being far too aggressive. In fact, even > count - 2 seemed too much in older testing I had done with other > variants. I would certainly like to get a feel for when and where the > three parts of codel are kicking in in various workloads. > > http://www.dslreports.com/speedtest/613646 > > I really need to get to where I can quickly get to a blog entry on > this stuff, and back to comprehensive, controlled testing. > > > > > > On Thu, Jun 4, 2015 at 10:11 AM, Dave Taht wrote: >> My network here is in flux (new modem, signal strength problems, cable >> problems) and toke's testbed is presently doing wifi work, so I did a >> quick mod to fishcake to make it do linux 4.0 (note I am not sure if >> this was a 4.1 or a 4.0 change) - attached. (and we lose a few cake >> options due to me not grokking the new API) >> >> Cake did well on this, but the behavior at the tail end of the test >> was disturbing: >> >> http://www.dslreports.com/speedtest/611312 >> >> Need to do some work to emulate the dslreports tests. >> >> And it dropped LOT more packets than fq_codel did. fq_codel marked 33 >> packets for it's result, cake marked 600 and dropped 200, for its. >> >> I did some rrul testing as well, but was fighting with a modem that >> used to get 140Mbits, and now only gets 70mbits, and behaves very >> differently overall with pfifo_fast than i had ever seen before. And >> along the way snapon got upgraded a bit too... sigh... >> >> -- >> Dave T=C3=A4ht >> What will it take to vastly improve wifi for everyone? >> https://plus.google.com/u/0/explore/makewififast > > > > -- > Dave T=C3=A4ht > What will it take to vastly improve wifi for everyone? > https://plus.google.com/u/0/explore/makewififast --=20 Dave T=C3=A4ht What will it take to vastly improve wifi for everyone? https://plus.google.com/u/0/explore/makewififast