From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-x22c.google.com (mail-pa0-x22c.google.com [IPv6:2607:f8b0:400e:c03::22c]) (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 707233B260; Mon, 2 May 2016 12:14:31 -0400 (EDT) Received: by mail-pa0-x22c.google.com with SMTP id r5so77504230pag.1; Mon, 02 May 2016 09:14:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:cc:date:in-reply-to:references :mime-version:content-transfer-encoding; bh=+DDT85KuQXa0H0jJ8pCbwhr1b5A0ueZcyH8DATyjq30=; b=qRDBwigONFR2RFHnQt9cbdfd5UkmFoMSy+OyDimAhfoHqshjqpjOHu+38H5sdKBArx r2zS4Q6JDzI1WP6jOLycKj+vI1fBQr5Vjgwngrf+/UXqKXs31KBiV75VYl23KtuoA8Nt tXmO3CTFZWpscsAfBTWIgxN8M0PYdpC78twCYd+lfYXap/n+m3ojs9yQFN4o9R29ns4Q Z+A962TwXBEqLnV6Idtye057Xn9GihWHWpVuIe8PbP4WLJ2PkHF1vE4sWSlzBMibpZUK HfFXqWM6bN+pCwk/0Tbxk8lmAKMJo9FRZFADiFItM7e8XFo8Uas6jtEejz12Z8Jeiejd I05g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=+DDT85KuQXa0H0jJ8pCbwhr1b5A0ueZcyH8DATyjq30=; b=keNJVYN4ZktSooW2UNNY50XT6KGjjgy/3wJRMHKQKKi1SH3+8PkFkE67xaxTj80AC8 CvYzt3wN7cXoqJhkA43FiGOCqXKKy7HJEn6Ar6iSCTtrQm15PMeO/YHEeaYQFXWir9jC YWS9/VhnQocYs9yJBP7achvk/99X5k8rThqWhjUA/uVHJNp8z1qTBEZlWgd8P125WF8i 6MtOZgYuzqXnOB6pZt5/FTN9yYXOxRCQgSWQNG8CLvkNsdAqh3VgD5/GAf7IJP0ly9Ah HX7OaCZW/wEofRVjKe4QKilEllT/RcxCqToiBPCyxb50oiV0IG6NXhZ+ybM3Nsw0+WY4 +5/A== X-Gm-Message-State: AOPr4FXujW9xDBvCFCjAHIZ7W2VbPW5LbFj4iPWJfmNWJN1hIyfe0gFP3gMiaLMTcjOhCA== X-Received: by 10.67.4.225 with SMTP id ch1mr52924608pad.120.1462205670758; Mon, 02 May 2016 09:14:30 -0700 (PDT) Received: from ?IPv6:2620:0:1000:1704:b5a3:bf52:77a3:bc9a? ([2620:0:1000:1704:b5a3:bf52:77a3:bc9a]) by smtp.googlemail.com with ESMTPSA id 1sm48346642pah.7.2016.05.02.09.14.29 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 02 May 2016 09:14:30 -0700 (PDT) Message-ID: <1462205669.5535.254.camel@edumazet-glaptop3.roam.corp.google.com> From: Eric Dumazet To: Roman Yeryomin Cc: Jonathan Morton , make-wifi-fast@lists.bufferbloat.net, "codel@lists.bufferbloat.net" , Dave Taht , ath10k Date: Mon, 02 May 2016 09:14:29 -0700 In-Reply-To: References: <1462125592.5535.194.camel@edumazet-glaptop3.roam.corp.google.com> <865DA393-262D-40B6-A9D3-1B978CD5F6C6@gmail.com> <1462128385.5535.200.camel@edumazet-glaptop3.roam.corp.google.com> <1462136140.5535.219.camel@edumazet-glaptop3.roam.corp.google.com> <1462201620.5535.250.camel@edumazet-glaptop3.roam.corp.google.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Make-wifi-fast] [Codel] fq_codel_drop vs a udp flood X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 May 2016 16:14:31 -0000 On Mon, 2016-05-02 at 18:43 +0300, Roman Yeryomin wrote: > On 2 May 2016 at 18:07, Eric Dumazet wrote: > > On Mon, 2016-05-02 at 17:18 +0300, Roman Yeryomin wrote: > > > >> Imagine you are a video operator, have MacBook Pro, gigabit LAN and > >> NAS on ethernet side. You would want to get maximum speed. And > >> fq_codel just dropped it down to 550Mbps for TCP (instead of 750Mbps) > >> and to 30Mbps for UDP (instead of 900Mbps). > >> So, again, it looks broken to me. > > > > Can you show us your qdisc config ? > > Which build do you want? Before it broke or after? > I want to check your qdisc configuration, the one that you used and where you had fq_codel performance issues tc -s -d qdisc