From mboxrd@z Thu Jan 1 00:00:00 1970 From: Giovanni Biscuolo Subject: Re: Using a CDN or some other mirror? Date: Thu, 13 Dec 2018 10:21:35 +0100 Message-ID: <87h8fhhjds.fsf@roquette.mug.biscuolo.net> References: <20181203154335.10366-1-ludo@gnu.org> <87tvju6145.fsf@gnu.org> <87ftv7l6gy.fsf@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:54560) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gXNC2-00044A-Ok for guix-devel@gnu.org; Thu, 13 Dec 2018 04:22:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gXNBy-00037a-Mw for guix-devel@gnu.org; Thu, 13 Dec 2018 04:22:06 -0500 Received: from ns13.heimat.it ([46.4.214.66]:35722) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gXNBy-00034S-8T for guix-devel@gnu.org; Thu, 13 Dec 2018 04:22:02 -0500 In-Reply-To: <87ftv7l6gy.fsf@gmail.com> 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+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Chris Marusich Cc: guix-devel@gnu.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Hi Chris, thank you for your CDN testing environment! Chris Marusich writes: [...] > For experimentation, I've set up a CloudFront distribution at > berlin-mirror.marusich.info that uses berlin.guixsd.org as its origin > server. Let's repeat these steps to measure the performance of the > distribution from my machine's perspective (before I did this, I made > sure the GET would result in a cache hit by downloading the substitute > once before and verifying that the same remote IP address was used): [...] > It would be interesting to see what the performance is for others. [...] measures from my office network: Italy, 20Km north Milan, FTTC (90Mbit/sec measured bandwidth) measure from Berlin: =2D-8<---------------cut here---------------start------------->8--- url_effective: https://berlin.guixsd.org/nar/gzip/1bq783rbkzv9z9zdhivbvfzhs= z2s5yac-linux-libre-4.19 http_code: 200 num_connects: 1 num_redirects: 0 remote_ip: 141.80.181.40 remote_port: 443 size_download: 69899433 B speed_download: 9051388,000 B/s time_appconnect: 0,229271 s time_connect: 0,110443 s time_namelookup: 0,061754 s time_pretransfer: 0,229328 s time_redirect: 0,000000 s time_starttransfer: 0,326907 s time_total: 7,722509 s =2D-8<---------------cut here---------------end--------------->8--- latency measured with mtr: =2D-8<---------------cut here---------------start------------->8--- HOST: roquette Loss% Snt Last Avg Best Wrst StDev 1.|-- 10.38.2.1 0.0% 10 0.3 0.4 0.3 0.4 0.0 [...] 18.|-- 141.80.181.40 0.0% 10 112.5 77.1 55.6 201.7 47.1 =2D-8<---------------cut here---------------end--------------->8--- from your mirror (third download): =2D-8<---------------cut here---------------start------------->8--- url_effective: https://berlin-mirror.marusich.info/nar/gzip/1bq783rbkzv9z9z= dhivbvfzhsz2s5yac-linux-libre-4.19 http_code: 200 num_connects: 1 num_redirects: 0 remote_ip: 54.230.102.61 remote_port: 443 size_download: 69899433 B speed_download: 9702091,000 B/s time_appconnect: 0,172660 s time_connect: 0,037833 s time_namelookup: 0,003772 s time_pretransfer: 0,173263 s time_redirect: 0,000000 s time_starttransfer: 0,212716 s time_total: 7,204574 s =2D-8<---------------cut here---------------end--------------->8--- latency measured with mtr: =2D-8<---------------cut here---------------start------------->8--- HOST: roquette Loss% Snt Last Avg Best Wrst StDev 1.|-- 10.38.2.1 0.0% 10 0.4 0.4 0.4 0.4 0= .0 [...] 11.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0= .0 12.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0= .0 13.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0= .0 14.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0= .0 15.|-- 52.93.58.190 0.0% 10 36.1 34.6 32.9 37.1 1= .2 16.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0= .0 =2D-8<---------------cut here---------------end--------------->8--- 100% loss? from here it seems Berlin is as performant as CloudFront HTH! Gio =2D-=20 Giovanni Biscuolo Xelera IT Infrastructures --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEERcxjuFJYydVfNLI5030Op87MORIFAlwSJJ8ACgkQ030Op87M ORLPnhAAz2SkgsNsMYVQZtocNV5ouDqFkclGA465vzzRD14qeXVQIVciSli3M/Va CBcWRhXvLLrbZ+4mAYDZtfqc4uhl9tk18Ku1lSln8EzPeI8uZzs9mrNnOZ9Tzcbe 4BRanPf9/OpXopCFHFAEQleCK/bemDl3dellXw32bcCbRZQGJ96YDWNGttxFH1Iu zD1QpDRvigF+4p/faYIx/wEgYXlsyrqZdGPorpdLGb9HfoNAq7b06Kt8qEj2QP2a xh6P3PgXiHeDRw9RTfFABJnayn2dbfHnyqNBYPxvUtrxvWuvadteLpIBccBllTGm GSyX8AiknEA4kUs8W6CG5Vq70+R5xsxswg2cTz/bVkpr7CQ97CwBMByTCronpdGh WxNz2vRUd3fmJrSIiu5OD5I01x3czPgPUw/DK1jYAuVXU9lz9rIIeJnIPzP6lOGX VxyPrxHyZPje2RSu6nqta4BEDCH82beEUnk60OfQ3Ll9Scaja5FadotfdUoZbrEP sLaFnkqKkeqBAbA9FLGfBpzULdoKb25odLQYY5ex951XG9soUpwOF24wohyp0R1a nGfe+tyNZgi7lT98eBxuaVGPrUypCbCotm32kCB8b1i96h1L3KcdjWfme3k9xQOZ tuGubwuvBsWyLF2MGAXF4vTLzh/CdCf/G6kKFABEUTf+tYQPY4M= =sRLG -----END PGP SIGNATURE----- --=-=-=--