From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-x229.google.com (mail-io0-x229.google.com [IPv6:2607:f8b0:4001:c06::229]) (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 8B15C3B29E for ; Tue, 5 Jun 2018 02:21:57 -0400 (EDT) Received: by mail-io0-x229.google.com with SMTP id s26-v6so1920504ioj.4 for ; Mon, 04 Jun 2018 23:21:57 -0700 (PDT) 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; bh=SJ57cap9pzdoWzdjaxpm6yhxZQLX+gdElB7lc+YD6To=; b=CAV3n7oQZ+NwAriJ7NOHJK2HQkMVyZp7i2MnT3K1vlV8vH3NfDrGazJA8swcsi/JNi pnRFl8gd4XtU9gDiOkj53382CAbvF/3tNb02tks3pHfeEjijfb4BcgYOiMDZEinlqcXd Q/79fVIZ06ATedQHoB1ncZBnQcLuypmcU/yw2dLx7cTPg05mdSphktwijBS+DkxD/dN9 a+H8dJa2sXAEXxngwFWkaZhzyyNDylyB/NUR4AQRtOnq3dv+VqUiD5fOpeYtHcpQ4+gQ p+eGLknoBMNZGjObjL6j9WV6e7PY9Z0aRA9k71CT7bHD/S+RfMOxXMS4lGPmxr+5iSV5 ubEA== 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; bh=SJ57cap9pzdoWzdjaxpm6yhxZQLX+gdElB7lc+YD6To=; b=GKPzrPDV4XTqLQLzpF8Hjxga0mXhSKMcBaqTp8zHqeqHfmWy4jtwA1iieEOXlFVcUl o5yWY5RdkjUabVW5ObvFVFaPgy4J3NO4/YGR3kL6+YerT8dxzeUDjyOIVwb6mfPTF2OR c80vEnf6RLN/vREs9HMoXpzEAoP6r84xQX937NDamk/OqmLC6mD6JYoyilD6bXUuXURg WmGPWukosYnEJdsxgIUwrh4vvzMRC0QHvl0YO9Za1icRDo49PcRUxPBx6kgW2swxcRwO hisSOwyipwSTn508dc+vCvMALKJJjDhtlP2yfXqdXswK1uBzywLdUAe3B/RpOXOvqOez GrNg== X-Gm-Message-State: APt69E0O5vQCFd/mI85oXSqey4s/Manyum6NxFJ/bgOwbMMmUxIENwpx h8UX7KJhJl9rnf0+vSwpGQOvye0AToWIPA7bl2Y= X-Google-Smtp-Source: ADUXVKKQ+N2q6xiPs0asOX/MEqVkP02gzy4HwZLSY3WQt/uzBNnZ5OJ2oWT6i4LS2w2gaXRWE5L0M/jj5U3zXIKYg2U= X-Received: by 2002:a6b:bf03:: with SMTP id p3-v6mr24357987iof.6.1528179717044; Mon, 04 Jun 2018 23:21:57 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a02:a00a:0:0:0:0:0 with HTTP; Mon, 4 Jun 2018 23:21:56 -0700 (PDT) In-Reply-To: <21947.1528158134@localhost> References: <152717340941.28154.812883711295847116.malone@soybean.canonical.com> <4f67f9b3-05a1-8d15-0aee-dfe8ea730d7c@gmail.com> <73c25a21-0ace-b5ee-090e-d06fb3b8dc60@kit.edu> <21947.1528158134@localhost> From: =?UTF-8?Q?Jonas_M=C3=A5rtensson?= Date: Tue, 5 Jun 2018 08:21:56 +0200 Message-ID: To: Michael Richardson Cc: Dave Taht , bloat Content-Type: multipart/alternative; boundary="0000000000003000a6056ddf11f2" Subject: Re: [Bloat] Fwd: [Bug 1436945] Re: devel: consider fq_codel as the default qdisc for networking X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jun 2018 06:21:57 -0000 --0000000000003000a6056ddf11f2 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Jun 5, 2018 at 2:22 AM, Michael Richardson wrote= : > > Jonas M=C3=A5rtensson wrote: > > Speaking about systemd defaults, they just enabled ecn for outgoing > > connections: > > > https://github.com/systemd/systemd/pull/9143 > > What about PLPMTU? Do you think they might tweak that too? > > net.ipv4.tcp_mtu_probing=3D2 > (despite name, applies to IPv6 too) Maybe, suggest it on their github. But I would maybe propose instead net.ipv4.tcp_mtu_probing=3D1. /Jonas --0000000000003000a6056ddf11f2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Tue, Jun 5, 2018 at 2:22 AM, Michael Richardson &l= t;mcr@sandelman.ca> wrote:

Jonas M=C3=A5rtensson <
mar= tensson.jonas@gmail.com> wrote:
=C2=A0 =C2=A0 > Speaking about systemd defaults, they just enabled ecn f= or outgoing
=C2=A0 =C2=A0 > connections:

=C2=A0 =C2=A0 > https://github.com/systemd/syste= md/pull/9143

What about PLPMTU?=C2=A0 Do you think they might tweak that too?

=C2=A0 =C2=A0 =C2=A0net.ipv4.tcp_mtu_probing=3D2
=C2=A0 =C2=A0 =C2=A0(despite name, applies to IPv6 too)
Maybe, suggest it on their github. But I would maybe propose i= nstead=C2=A0net.ipv4.tcp_mtu_probing=3D1.<= /div>

/Jonas

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