From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-x236.google.com (mail-qt0-x236.google.com [IPv6:2607:f8b0:400d:c0d::236]) (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 5C3313BA8E for ; Wed, 30 May 2018 17:32:12 -0400 (EDT) Received: by mail-qt0-x236.google.com with SMTP id c2-v6so25257459qtn.9 for ; Wed, 30 May 2018 14:32:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc :content-transfer-encoding; bh=oP7sXlLahbEuUYl0M+5RtKEg9zmrX8IXBD+fqQdsTaU=; b=m+bhTuJ9UuxsMWEWA9BmAEZwcyM+Sc8dVDcK17x9YvSemXVjb3h5v0dlhNM35evn0C 7jxayUUDkfEoW67fJNEhwWViso7CxEwixJrnwVz0AMdTRjBZHpiGNfepb8tABYX4dkHU BhWGTI3VBG/5ZT+SExa6dl+277ZKVfoUb38xm/cCF/3fDPUwm0wn0Ydb1WKMR3U1lr0g haGcvp0OXnyoFbb3vOlVpG87R8FRHdGzii0O1KjyfiGBFNOUOUgUpAbsWHoeOGp+O1yr inlOjV4NZerRzX/Yz79AeUSA8v39W0F3KwEN/rVktw3gtZsf5/Nidj8WgZPlt5EiFBvH uQiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc :content-transfer-encoding; bh=oP7sXlLahbEuUYl0M+5RtKEg9zmrX8IXBD+fqQdsTaU=; b=bNSaADGfeVdUQTyxhQ+QR6A0cvKMuiz/ZbrfWIwdXM9h6D2nT7fqQ0W6AlMYju/hhm EWh7AOuptgR8Z3iiPRJ75tO6TXFc/ZxHHCEyG1ER506LNE+A5bNDInZRcgDl4ciJKeRN cndktWi1MgTv6bulxO4vUuh0hXvUp87DWf16ELmLaIF6DuVbpUZcUtkOcOSrfALJgWUo anwvNv+Elaw1UtrRb5VqfnjzHABUul2EmTefJFPUBhwBMrW3QWckIa95PkwwCiIr/ybc uQs3JgYuQWmR0JaQ48zfX4lDI9D1aZ6ymJFFxRRd7AB7yIjsmcZBlxosq6P50Ar50gWL N4qw== X-Gm-Message-State: APt69E3hZAF/ARtgHUs0g9u4iZDZGyNcCztV5RSUVGpEfnnv/5Zgi8LW ZkaS7C7EcjqweV7gVQ1NYmcWr0wrcuqAYYjUTxqiqw== X-Google-Smtp-Source: ADUXVKLyDRlRTL8aKNV6BCTNroL6xNhMW5194Kd2yfOPOphqJZy+Zrj/rJxmqH66/BXOnQJRHJoAxJx1sQqVqeiZeBk= X-Received: by 2002:ac8:37c3:: with SMTP id e3-v6mr4305950qtc.199.1527715931580; Wed, 30 May 2018 14:32:11 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:ac8:7193:0:0:0:0:0 with HTTP; Wed, 30 May 2018 14:32:10 -0700 (PDT) From: Dave Taht Date: Wed, 30 May 2018 14:32:10 -0700 Message-ID: To: Cake List Cc: Jesper Dangaard Brouer Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: [Cake] cake at 3gbit 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: Wed, 30 May 2018 21:32:12 -0000 my old veth code - which simulates 5 hops - can only achieve about 4gbit on the hardware I have with netem on a 20ms delay. There are undoubtably other bottlenecks elsewhere in the system in this configuration. :) I DO have real 10GigE hardware now, but would love to see someone trying cake at 40GigE+ in the real world now that it allows superpackets and the api allows for more than 40Gbit to be specified. regretably, hit a bug, we need to wait for toke's v18 to come out. At 3gbit, with netem inserting 10ms delay in each direction, it's hard to complain. root@spaceheater:~/git/veth# ip netns exec client flent -H 10.10.0.1 -t cake-3gbit rrul_be Started Flent 1.1.1-git-5daa2b3 using Python 3.5.2. Starting rrul_be test. Expected run time: 70 seconds. Data file written to ./rrul_be-2018-05-30T142933.502257.cake-3gbit.flent.gz= . Summary of rrul_be test run 'cake-3gbit' (at 2018-05-30 21:29:33.502257): avg median # data pts Ping (ms) ICMP : 20.32 20.30 ms 349 Ping (ms) UDP BE1 : 48.84 20.48 ms 342 Ping (ms) UDP BE2 : 48.84 20.48 ms 342 Ping (ms) UDP BE3 : 48.84 20.48 ms 342 Ping (ms) avg : 41.71 20.43 ms 351 TCP download BE : 704.57 705.27 Mbits/s 300 TCP download BE2 : 700.29 705.23 Mbits/s 300 TCP download BE3 : 703.67 705.24 Mbits/s 299 TCP download BE4 : 700.28 705.28 Mbits/s 300 TCP download avg : 702.20 705.09 Mbits/s 301 TCP download sum : 2808.81 2820.35 Mbits/s 301 TCP totals : 5615.83 5640.44 Mbits/s 301 TCP upload BE : 704.32 705.66 Mbits/s 286 TCP upload BE2 : 703.59 705.46 Mbits/s 286 TCP upload BE3 : 699.39 705.29 Mbits/s 286 TCP upload BE4 : 699.72 705.38 Mbits/s 285 TCP upload avg : 701.75 705.08 Mbits/s 301 TCP upload sum : 2807.02 2820.31 Mbits/s 301 --=20 Dave T=C3=A4ht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619