From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms9.migadu.com with LMTPS id CNy+GyXZcGT4JQAASxT56A (envelope-from ) for ; Fri, 26 May 2023 18:07:01 +0200 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id WJWXGyXZcGQ7QgEA9RJhRA (envelope-from ) for ; Fri, 26 May 2023 18:07:01 +0200 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 25F9A1F787 for ; Fri, 26 May 2023 18:07:01 +0200 (CEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q2ZxB-000308-Vb; Fri, 26 May 2023 12:06:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q2Zx2-0002q7-Ex for guix-devel@gnu.org; Fri, 26 May 2023 12:06:06 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q2Zx1-0002GA-AB; Fri, 26 May 2023 12:05:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=P5eZSthYQMmoq2PJj1P9wD3+0HfAVHLnj0xAqeHHw70=; b=Le4xwQxV1wwvvBCl3Kfw wZdhZK24SVKhxoPrxgkY1oBSXmEjISF3f/haGZsPfjG8cenJJQDwKPmvJ5U39fzhtxsuu00NqRgAm 8tqb6R2NLQP2DzJW8uRbmKjGFJOSoXfLxsCR52Vx8C18cs36c1OXQ0DjcC3AqshOyyS1ZC+QIjXHW az1g8zI0pvQw3nP0sT0g/NNIkaYEDXTL5yoayGShuWT7pNVC/0TWlzporolgEWjGTuFR0TFXV7owC 5Nw0guwFb5bWMXJNMtm4XAn6ItFL5Gyv8Rora0ohuX6Sy1fIaTx1buvJdYGP+RIxPXJpQ7FfmCocC KA8zn/YBSK3lTQ==; Received: from [2001:660:6102:320:e120:2c8f:8909:cdfe] (helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q2Zwy-0003sN-Bp; Fri, 26 May 2023 12:05:58 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Andreas Enge Cc: Christopher Baines , guix-devel@gnu.org Subject: Re: Do substitutes download slowly for you? / Speeding up substitute delivery/mirrors References: <87bki84hxi.fsf@cbaines.net> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Septidi 7 Prairial an 231 de la =?utf-8?Q?R=C3=A9vol?= =?utf-8?Q?ution=2C?= jour du Fromental X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Fri, 26 May 2023 18:05:53 +0200 In-Reply-To: (Andreas Enge's message of "Fri, 26 May 2023 09:45:38 +0200") Message-ID: <87353jjcwu.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN ARC-Seal: i=1; s=key1; d=yhetil.org; t=1685117221; a=rsa-sha256; cv=none; b=dlycFVBQrjbYNzd0c/T5tDxTH+V3krveLDaR8su/kmqzToWi0GNlHqKVqFPSYF4uuArPoa q3B3Nwd54Fc0yCUozLXN4LJYhPG/dQLkqf8CTBIm+f3jc+qGgD1V9E/6xrCsCLf9jccv64 PlQLixJMLQEfmcsKY9YTB2Le/ir6g62jevwIhS+rcOORSb+laDcUAcOorJ3pnUKFm7VVM/ JVsXCy4H8J+GTu+yukAJRXaTdlthKgZHlJI0WSfXP22+88QxUy+tpB4HXwMUOtcyFP/3Xd +GkDtfa+VZO/2jlX4sdOyPN1ApdtcNZ+EBb48aJ24Ps442MGLAdedoIIvi3rkg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b=Le4xwQxV; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1685117221; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=P5eZSthYQMmoq2PJj1P9wD3+0HfAVHLnj0xAqeHHw70=; b=QPcieXZ0kda2SywkuVhlMcZlwymHyf+6GK25sUIaD5ujk9S8pk+3V/7fLD6fC5vRrmkKXi aTgZmxbrEL/tiE1F0iswkDnM0x3wK9W0UT4s6ab3ydrjIwGLE/tPMWnwq01Tvs/dFygWxb 66Mv3Ag8+I6LIqS0VStJVCIQcH19xoFUIlzllos3rsPhZnU8uiVVgHiMYcgWgVs15HKsmj aKPYhOtRwbcLLmkQ3Q2Imxkx/gFq5P198HGROLCinNE6jw+IRzBgMFIyVBM/Y3+CnImIIk kJJyjKD0t7Od1u+YUgiKth25+TfhlMx/L+PIHEaCq8aeiHqP89iuGZBFuJL1nQ== X-Migadu-Spam-Score: -6.10 X-Spam-Score: -6.10 X-Migadu-Queue-Id: 25F9A1F787 X-Migadu-Scanner: scn0.migadu.com Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b=Le4xwQxV; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-TUID: 8lcmlk5fBWXK Andreas Enge skribis: > I am in France with a 100Mb/s FTTH link, and download is fast from all > of the mirrors. > FR 5,59MB/s in 39s Only? I=E2=80=99m in Bordeaux :-) and from my workplace=E2=80=99s fast net= work I get more than 10x more: --8<---------------cut here---------------start------------->8--- $ wget -O/dev/null https://bordeaux.guix.gnu.org/nar/lzip/078vr3r8mn3yrwzwx= w64hmcyshic9p3q-stellarium-0.21.0 --2023-05-26 17:59:38-- https://bordeaux.guix.gnu.org/nar/lzip/078vr3r8mn3= yrwzwxw64hmcyshic9p3q-stellarium-0.21.0 Resolving bordeaux.guix.gnu.org (bordeaux.guix.gnu.org)... 185.233.100.56, = 2a0c:e300::58 Connecting to bordeaux.guix.gnu.org (bordeaux.guix.gnu.org)|185.233.100.56|= :443... connected. HTTP request sent, awaiting response... 200 OK Length: 208615205 (199M) [text/plain] Saving to: =E2=80=98/dev/null=E2=80=99 /dev/null 100%[=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D>] 198.95M 75.0MB/s = in 2.7s=20=20=20=20 2023-05-26 17:59:41 (75.0 MB/s) - =E2=80=98/dev/null=E2=80=99 saved [208615= 205/208615205] --8<---------------cut here---------------end--------------->8--- The others are below but not too bad: --8<---------------cut here---------------start------------->8--- $ wget -O/dev/null https://bordeaux-us-east-mirror.cbaines.net/nar/lzip/078= vr3r8mn3yrwzwxw64hmcyshic9p3q-stellarium-0.21.0 --2023-05-26 18:01:03-- https://bordeaux-us-east-mirror.cbaines.net/nar/lz= ip/078vr3r8mn3yrwzwxw64hmcyshic9p3q-stellarium-0.21.0 Resolving bordeaux-us-east-mirror.cbaines.net (bordeaux-us-east-mirror.cbai= nes.net)... 5.161.49.48 Connecting to bordeaux-us-east-mirror.cbaines.net (bordeaux-us-east-mirror.= cbaines.net)|5.161.49.48|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 208615205 (199M) [text/plain] Saving to: =E2=80=98/dev/null=E2=80=99 /dev/null 100%[=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D>] 198.95M 17.6MB/s = in 12s=20=20=20=20=20 2023-05-26 18:01:16 (16.1 MB/s) - =E2=80=98/dev/null=E2=80=99 saved [208615= 205/208615205] $ wget -O /dev/null https://bordeaux-singapore-mirror.cbaines.net/nar/lzip/= 078vr3r8mn3yrwzwxw64hmcyshic9p3q-stellarium-0.21.0 --2023-05-26 18:02:14-- https://bordeaux-singapore-mirror.cbaines.net/nar/= lzip/078vr3r8mn3yrwzwxw64hmcyshic9p3q-stellarium-0.21.0 Resolving bordeaux-singapore-mirror.cbaines.net (bordeaux-singapore-mirror.= cbaines.net)... 2401:c080:1400:71df:5400:4ff:fe73:757d, 64.176.80.78 Connecting to bordeaux-singapore-mirror.cbaines.net (bordeaux-singapore-mir= ror.cbaines.net)|2401:c080:1400:71df:5400:4ff:fe73:757d|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 208615205 (199M) [text/plain] Saving to: =E2=80=98/dev/null=E2=80=99 /dev/null 100%[=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D>] 198.95M 6.63MB/s = in 34s=20=20=20=20=20 2023-05-26 18:02:49 (5.88 MB/s) - =E2=80=98/dev/null=E2=80=99 saved [208615= 205/208615205] --8<---------------cut here---------------end--------------->8--- Substitution is often not network-bound though: https://guix.gnu.org/en/blog/2021/getting-bytes-to-disk-more-quickly/ Ludo=E2=80=99.