From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-x22f.google.com (mail-it0-x22f.google.com [IPv6:2607:f8b0:4001:c0b::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 8C0223BA8E for ; Tue, 5 Dec 2017 12:10:29 -0500 (EST) Received: by mail-it0-x22f.google.com with SMTP id d16so3234113itj.1 for ; Tue, 05 Dec 2017 09:10:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=8r3l5ETLW18vd9MW08WqmTSKDvI5qvI1xYCA6nErG5A=; b=GKbK0sHzsMqvLDHW5rSrjJl4nQ7L2o7l4eIYMG+vwlt2F7gpegStXO5FH0eMzKyfxa ebCcFoKxC0ZaIKuK3Jq8p16RfYI5M9O4/DYT7DgdUeHo/7P+Wwu74RAKS8WACYWddUN3 UeHytjdDIJMMsGklqNB3RZSINpLkBSrr1ai29W0YiuqOI+UJ4kScljkaAQoabp0QxQ46 47Yw4mp4m7Y3SAjocDxCQezl++BFK8yK+s7F44nrDhzN+6Xwt0xmNvGUFSoh4RnxFwV3 QRhxUyiAhQLfKztCEfYscB7mhqq/s0FspTBUD40pIXwB4pdSQ97y5KES52K1HBujEGCm 1mMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=8r3l5ETLW18vd9MW08WqmTSKDvI5qvI1xYCA6nErG5A=; b=YAe5WxJX7YeEuAgdMiFyFeBA8CcKRdPZMhyNPgwml47NPvHaQfNbkwDD0Y/viRDU2T NfavCrL1MN6KVLo1UGxMJpOsyDgU5xuCGENRC+WDiu5p7SB9H2mOkTscKsz28qOxdX6K c8N53GFBzPkHWdHT900+4iuvMvm0gRpqprypxVodYHysoP4apOEWyF8Xtfrqb6aPGv2B ZsyZa4/e52QsPZBH5Ru9poVN8hArN+vMEUVGYd4LZMX9OFCzOpQRrf92udgtrDZM/OIt EgVrI8BisLIP8fvnOv1UxlRFVU88EiN4kalj34FAd5wEdWOvpWIsjli/QSzmzRvKsNL+ pqDA== X-Gm-Message-State: AJaThX7SPluznnwH9FocZJKF69GzvnceI1mz9lcR/BkWBYSYk9aioYnK Z1/ONPSRNSvibTjAn6/eHg9oXtckAWRaxgyZeIw= X-Google-Smtp-Source: AGs4zMYWAFfJUOKwHAqN7l+88sImLr1NkNDYDrIm42YloWrd4jPgjQpaC8Dor0gEch7Mw+PgvuJoe0KUtlKXG58f2qs= X-Received: by 10.107.141.78 with SMTP id p75mr32727582iod.165.1512493829036; Tue, 05 Dec 2017 09:10:29 -0800 (PST) MIME-Version: 1.0 Received: by 10.79.4.17 with HTTP; Tue, 5 Dec 2017 09:10:28 -0800 (PST) In-Reply-To: <22F038E2-3A67-457D-8B3A-18AE82B6FAF4@gmail.com> References: <7855AA2C-BF69-4B9E-8794-A7D15DE44C4F@gmail.com> <87k1y3f9x4.fsf@nemesis.taht.net> <22F038E2-3A67-457D-8B3A-18AE82B6FAF4@gmail.com> From: Dave Taht Date: Tue, 5 Dec 2017 09:10:28 -0800 Message-ID: To: Pete Heist Cc: Dave Taht , Cake List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] cake flenter results round 4 X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Dec 2017 17:10:29 -0000 On Mon, Dec 4, 2017 at 1:02 AM, Pete Heist wrote: > > On Dec 4, 2017, at 4:29 AM, Dave Taht wrote: > > > *** Round 5 Plans > > * If I do another high RTT test, make rtt 1000ms default and try even hig= her > > * From Dave: tcp bbr, cdg, reno? dctcp would be weirdly interesting. > > * From Dave: slot 4ms 4ms bytes 10k 16 > > * If I get time I could change flenter to do asymmetric bandwidth tests a= nd > go > back to Dave=E2=80=99s four box config with ingress cake, which would pro= bably be a > more > common config. All depends on time available=E2=80=A6 > > > Well, let's see what happens on netdev. > > I took a few steps towards ripping out blue for comparison the other > day. > > > Ok, irtt needs shoring up before its first =E2=80=9Cpre-release release= =E2=80=9D, likely to > be in mid-December. I=E2=80=99ll focus on that with what time I have (whi= ch is less > now until the new year) until more is known. > > I think we can say Cake is stable and helps in many situations over what= =E2=80=99s > currently available. There are smaller mysteries in different corners, bu= t > they usually come down to something like: > > - the queue has been lost > - it's configured wrong > - that=E2=80=99s how it should be > - the device or driver isn=E2=80=99t working right > - the device is multi-queue > - the cpu is over-taxed > - the timer resolution isn=E2=80=99t high enough > > Maybe we can make these deployment issues easier for people to deal with > over time, first through documentation, then proposing and implementing > solutions if they become clear. Overall though, I=E2=80=99m glad Cake is = available, > because in many situations people can just add a few keywords and enjoy t= he > benefits=E2=80=A6 "sch_cake cookbook" > > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake > --=20 Dave T=C3=A4ht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619