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Re: Using a CDN or some other mirror?
From: |
Giovanni Biscuolo |
Subject: |
Re: Using a CDN or some other mirror? |
Date: |
Thu, 13 Dec 2018 10:21:35 +0100 |
Hi Chris,
thank you for your CDN testing environment!
Chris Marusich <address@hidden> 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:
--8<---------------cut here---------------start------------->8---
url_effective:
https://berlin.guixsd.org/nar/gzip/1bq783rbkzv9z9zdhivbvfzhsz2s5yac-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
--8<---------------cut here---------------end--------------->8---
latency measured with mtr:
--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
--8<---------------cut here---------------end--------------->8---
from your mirror (third download):
--8<---------------cut here---------------start------------->8---
url_effective:
https://berlin-mirror.marusich.info/nar/gzip/1bq783rbkzv9z9zdhivbvfzhsz2s5yac-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
--8<---------------cut here---------------end--------------->8---
latency measured with mtr:
--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
--8<---------------cut here---------------end--------------->8---
100% loss?
from here it seems Berlin is as performant as CloudFront
HTH!
Gio
--
Giovanni Biscuolo
Xelera IT Infrastructures
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- Re: CDN performance, (continued)
- Re: CDN performance, Chris Marusich, 2018/12/13
- Re: CDN performance, Giovanni Biscuolo, 2018/12/13
- Re: CDN performance, Mark H Weaver, 2018/12/14
- Re: CDN performance, Giovanni Biscuolo, 2018/12/19
- Trustworthiness of build farms (was Re: CDN performance), Mark H Weaver, 2018/12/20
- Re: CDN performance, Marius Bakke, 2018/12/21
- Re: CDN performance, Ricardo Wurmus, 2018/12/24
- guix.gnu.org sub-domain, Ludovic Courtès, 2018/12/14
- Re: guix.gnu.org sub-domain, Chris Marusich, 2018/12/15
- Re: CDN performance, Ludovic Courtès, 2018/12/14
- Re: Using a CDN or some other mirror?,
Giovanni Biscuolo <=
- Re: Using a CDN or some other mirror?, Chris Marusich, 2018/12/14
Re: [PATCH 0/3] Defaulting to ci.guix.info (aka. berlin.guixsd.org), Amin Bandali, 2018/12/03
Re: [PATCH 0/3] Defaulting to ci.guix.info (aka. berlin.guixsd.org), Mark H Weaver, 2018/12/03
Re: [bug#33600] [PATCH 0/3] Defaulting to ci.guix.info (aka. berlin.guixsd.org), Andreas Enge, 2018/12/04