From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-x232.google.com (mail-wm0-x232.google.com [IPv6:2a00:1450:400c:c09::232]) (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 39BE93B29E for ; Mon, 20 Nov 2017 04:02:32 -0500 (EST) Received: by mail-wm0-x232.google.com with SMTP id g130so5506914wme.0 for ; Mon, 20 Nov 2017 01:02:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc:message-id:references :to; bh=uFXGHicLC2c48sq5dyFZE/QIMAFQR9AqMcuuWVqwfvs=; b=FRDkFJ9JW0HOsjB6SblokqRYORREVa322Pzz7LpvnExMUZuUY484i4LmPT6HNMSpkR QhpKEvW4Bg3tu2ntGJ1cCqpjCk7XcrFMjIWM/8N4+brgdFiIAAYcxW9kC6Rbzj7eJG2J DB9TAaE5nX/HG7R6XZnPBTOe16VvK3m0Lcmeus0LPzasRnvv7fzVqXTLeStMlRo0FAYT 9P3XHgoEkLr3A/LFVv0sMB8ZWbvxnDYMgv94wh33TnmQEiji1MxlXMFRKqlNIUpgZhf7 AW3Rwoh66APNrzsp8W36ksxaBSo0XE+RX2hrvzpdvXSqRSNoF+1CrW+FOVue7/jBn/ng gMUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :message-id:references:to; bh=uFXGHicLC2c48sq5dyFZE/QIMAFQR9AqMcuuWVqwfvs=; b=XKbZ2KQ/U9OdRbvcqZyznrZKOeBonRre6IG7VHvkCGR25SuwYqiMfYAV9QJTw/hX2N 6kbAndjC+WkFrMe369GGYQS0Tho024dJCKLPgQiP8h3Al5pR5JvitWDvt7L6lHVCpcbo uAOGF0Y1B3gZKp57lnQa3KLcToFPLfnnYQ9mVb1ZV0h4UqyTc+dyUXWPX7l6DH1pRtRc 5n2P6apz8zIrEabE4RRSiPc2xjoi8CHtANqlowXxodCQDj8/3P8AD4athA6tH6N6UjkH o7FwvZbOqaJFjkHPD4SYnJvkXiKTAP4Umkpo5oj169dBZ6WBZ93xo/e4sOayNpiBvGVW tNKA== X-Gm-Message-State: AJaThX7Ubzebq96ICTQsGaJm+qJjgojEOADlAL3QUWKWThJvAviBsUjo 2ZLSfTip5W1A99OGBs8K5nQ= X-Google-Smtp-Source: AGs4zMb0DcIIMzorseDnliJvt/SS3/a/GGI8wt67MA9W2yI4HeyvsO4meW6VA7FC7HU3YG5AsRxlwQ== X-Received: by 10.28.135.204 with SMTP id j195mr9391810wmd.119.1511168551383; Mon, 20 Nov 2017 01:02:31 -0800 (PST) Received: from [10.72.0.130] (h-1169.lbcfree.net. [185.99.119.68]) by smtp.gmail.com with ESMTPSA id k9sm12011199wrk.88.2017.11.20.01.02.30 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 20 Nov 2017 01:02:30 -0800 (PST) Content-Type: multipart/alternative; boundary="Apple-Mail=_95893088-C55A-4687-986C-FA4C4EDFF99D" Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Pete Heist In-Reply-To: <8760a6rog8.fsf@nemesis.taht.net> Date: Mon, 20 Nov 2017 10:02:28 +0100 Cc: Dave Taht , Cake List Message-Id: <037FE91B-5F27-4CAD-AB56-24ED829C08F0@gmail.com> References: <4235D7B6-1CA6-4B57-BA00-97D3F7D44EFA@gmail.com> <8760a6rog8.fsf@nemesis.taht.net> To: Dave Taht X-Mailer: Apple Mail (2.3124) Subject: Re: [Cake] [RFC PATCH 4/5] q_netem: support delivering packets in delayed time slots 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: Mon, 20 Nov 2017 09:02:32 -0000 --Apple-Mail=_95893088-C55A-4687-986C-FA4C4EDFF99D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Nov 19, 2017, at 9:41 PM, Dave Taht wrote: >=20 >> Yep with bql. I hadn=E2=80=99t thought about mq before. What my qos = setup scripts are >> doing though is replacing the root qdisc (which now I see defaults to = mq) with a >> single cake instance. With bql, should rather be leaving mq and = putting four >> cake instances underneath it? > Only if you want unlimited mode, and birthday problems, and don't have > cpu to burn. Ok, if I compare the two, latency under load for rrul_be looks = =E2=80=9Cbetter=E2=80=9D (~1-1.5ms instead of ~3ms) with a single = =E2=80=9Ccake unlimited besteffort lan=E2=80=9D instance instead of four = of them underneath mq.= --Apple-Mail=_95893088-C55A-4687-986C-FA4C4EDFF99D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
On Nov 19, 2017, at 9:41 PM, Dave Taht <dave@taht.net> = wrote:

Yep with bql. I hadn=E2=80= =99t thought about mq before. What my qos setup scripts are
doing though is replacing the root qdisc (which now I see = defaults to mq) with a
single cake instance. With bql, = should rather be leaving mq and putting four
cake = instances underneath it?
Only if you want = unlimited mode, and birthday problems, and don't have
cpu to = burn.

Ok, if I compare the two, latency under load for = rrul_be looks =E2=80=9Cbetter=E2=80=9D (~1-1.5ms instead of ~3ms) with a = single =E2=80=9Ccake unlimited besteffort lan=E2=80=9D instance instead = of four of them underneath mq.
= --Apple-Mail=_95893088-C55A-4687-986C-FA4C4EDFF99D--