From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.toke.dk (mail.toke.dk [IPv6:2001:470:dc45:1000::1]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id ECF783BA8E for ; Thu, 6 Sep 2018 15:08:31 -0400 (EDT) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=toke.dk; s=20161023; t=1536260910; bh=c4zqp9AABm7jkQ3ztRheATOILFP+75tID6vwe3vBUKY=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=ac5h6RIxNavgfMd0MNes61UVeqEGtd8y81exq4+pb7DO1w9NYcoLAdHA/ISSedJ+/ fEuIYq7tI2LqZOTtGpzw+auvTYACvrmCvjU0AKJCUkh5G/zUfT3dfHFAxmYKqt2yW8 Yd2rhrXzgsbNccU6pSgvr/HywiwjItszjAeglAc/hptjPdr3aEUhwHSwGESZ9m4uGT p9Ws0SNe48EzmAiaQ0swkox9v8ivy2kMioiQ1dQzlX0bwnAt2alXkw7D0A+5U8StDW b8ilRAwwRWiE9Gjp7Ic7EDsVgqiCypvAWAtV7y4PUuW2hygadAZCf3s7YaoQ/PJrGt RduH8C3Z3cRwA== To: Pete Heist , Dave Taht Cc: Cake List In-Reply-To: References: <3E647031-D865-41B1-9C3A-6D34DB291005@heistp.net> Date: Thu, 06 Sep 2018 21:08:30 +0200 X-Clacks-Overhead: GNU Terry Pratchett Message-ID: <877ejy5tqp.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] fq_codel_fast 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: Thu, 06 Sep 2018 19:08:32 -0000 Pete Heist writes: >> On Sep 6, 2018, at 7:22 PM, Dave Taht wrote: >>=20 >> There was a very good paper or two (I think luca co-authored one) that >> showed that "active flows" were generally measured in the mid 200s in >> nearly any scenario. I agreed with that which was in part why I felt >> we could stick >> with 1024 queues, a direct mapped hash, and a couple collisions. > > So I=E2=80=99m not sure if this is a great way to gauge active flow counts > through a router, but at 8pm: In the context of that paper you'd need to count the number of active queues in fq_codel. So `tc class show dev $DEV` and see how many classes are displayed... -Toke