From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.taht.net (mail.taht.net [176.58.107.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id F28633B29E for ; Thu, 17 Jun 2021 09:57:09 -0400 (EDT) Received: from smtpclient.apple (unknown [172.58.95.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.taht.net (Postfix) with ESMTPSA id 6AA1F22976; Thu, 17 Jun 2021 13:57:08 +0000 (UTC) From: Dave Taht Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.80.0.2.43\)) Message-Id: Date: Thu, 17 Jun 2021 06:56:57 -0700 Cc: Matt Mathis To: starlink@lists.bufferbloat.net X-Mailer: Apple Mail (2.3654.80.0.2.43) Subject: [Starlink] plotting all the data X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jun 2021 13:57:10 -0000 Capturing and plotting *all* the data is often revealing.=20 Sometimes plotting the data you are discarding (for what seems like sane = reasons) is quite revealing. Saw this on slashdot this morning, it=E2=80=99= s good... = https://www.newyorker.com/magazine/2021/06/21/when-graphs-are-a-matter-of-= life-and-death In the bufferbloat effort I=E2=80=99ve fought time and time again for = folk to stop throwing out data above the 95 percentile, and at the very = least plot everything they threw out to find patterns... dslreports=E2=80=99 graphing tools, for example, throws out a ton of = =E2=80=9Coutliers" =E2=80=A6 and the only reason why there is no data = past 4 sec here, is that the test doesn=E2=80=99t run long enough.=20 http://www.dslreports.com/speedtest/results/bufferbloat?up=3D1 (been trying to get ahold of someone over there to buy their raw data = for years now. They have the biggest - 8 years worth - collection) mlabs has a similar data reduction issue that they haven=E2=80=99t got = around to fixing.=20 And more recently we encountered a smoothing problem in wireshark that = made a halt in packet processing look more like a normal tcp cwnd = cut=E2=80=A6.