From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x235.google.com (mail-pg0-x235.google.com [IPv6:2607:f8b0:400e:c05::235]) (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 5AC823BA8E for ; Tue, 5 Dec 2017 23:59:54 -0500 (EST) Received: by mail-pg0-x235.google.com with SMTP id y6so1736808pgp.4 for ; Tue, 05 Dec 2017 20:59:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mounce.com.au; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=hi2+ixZ+bz2ATMwm0GF2GQ7GR9zY+SSDdh09BRsmFko=; b=WnizyLNeDC8g/tYn6KqgKWWtrV0tdNfJC+8x3VMnbO71ucJ50QVzh1i/EtNiupVUHG GJllPOOAu6uHX8iUpOjbR5ntfZW9f0hbWghBedIgfYJpdyJXet3I03rWyHEkm4dqyrQp 2biZux+u/K90Aibn/LCuNLXm34NSkKzrGQbDeSs98+8SA3JOCVSGvFq/qnvLDdWk/bHC tAN/qJM1PuRj2BA3rjlJfPvez7VeaW2K9HeFiMemTATunA+c2ZffE9CvyRZUOT2rjfhf 3rgAoKxBUFisLuBGwLdT0RGp7vHDdYbnYc5ze7wesrKBNbwdOy8k74QHM26g9PvaWO87 qvcQ== 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=hi2+ixZ+bz2ATMwm0GF2GQ7GR9zY+SSDdh09BRsmFko=; b=UqgZGby2kmPkwPu5NLBkOpko+CRPASNQGOXsTQOXfs8MflbqyCX13o8ahHqdEMZ4Sv AqzXL3wUa7ihRPf7whvLvG/X/oEUU2/IgFMb/QKDuSITnE8CKqmpgrIle79GsUvupDpI kp/m1b8GR9tSVhLkGH9b369+gRRrIaJV6u/7Bby/iSo+ufZlk5JYJZlLHrBH2t31tsdl lq6wHos6PaO5dF/fbZDZ6HVlT9sMwUsRxVoswKmvaZpc1wMgXmKoPZCBAFDZ8gcc+F1C Oj9A2LSI1wje9QcwjrJAYgPBOI/9z+sjXvT7EEwRobsvmUohJI42PuJ8bex7be4uPxBS 4dSQ== X-Gm-Message-State: AKGB3mKK8ZuJXHijA6OvdhTCqlkPTzby1FDJ+U0rcZE/nDWZ/9p4ybZu JwtL7g2JUp2Z0jaESsFoASDdTbSUt+TOf6ZSO/iu2A== X-Google-Smtp-Source: AGs4zMaVMy6fOo2jAqly1wCbq5k9yDLLsyQLd0BA4GJD8EdtRNr6Mf0rd+MRVyeYjqyfEJzE6jgAU9hvG1MtFysh0AU= X-Received: by 10.98.10.77 with SMTP id s74mr1170307pfi.104.1512536393450; Tue, 05 Dec 2017 20:59:53 -0800 (PST) MIME-Version: 1.0 Received: by 10.100.187.3 with HTTP; Tue, 5 Dec 2017 20:59:38 -0800 (PST) X-Originating-IP: [101.166.205.68] In-Reply-To: References: From: Ryan Mounce Date: Wed, 6 Dec 2017 15:29:38 +1030 Message-ID: To: Dave Taht Cc: Cake List Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] set filtered acks to bulk mode 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, 06 Dec 2017 04:59:54 -0000 This appears to panic (and has, very indirectly, caused my LEDE router to wipe itself). Will take a closer look later. Regards, Ryan Mounce On 6 December 2017 at 08:30, Dave Taht wrote: > The attached patch attempts to deprioritize bulk ack flows in cake. > > Once we start accumulating enough acks to filter out, and we start > filtering them out, the "sparse flow optimization" in cake will > start prioritizing the shorter queues. This patch attempts to stop > that, which should give more time for more acks to be eliminated, > and deprioritize bulk ack flows slightly in favor of other traffic > that needs less latency. > > Interesting stats from testing would be to measure a change in > ack_drops between the two versions, and changes in the rate of > increase of tcp. The 50x1 settings would be the most dramatic test... > > -- > > Dave T=C3=A4ht > CEO, TekLibre, LLC > http://www.teklibre.com > Tel: 1-669-226-2619 > > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake >