Mailinglist Archive: opensuse (621 mails)

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Re: [opensuse] Where to report bad mirrors?
On 11/06/2019 09.20, Per Jessen wrote:
Carlos E. R. wrote:

On 10/06/2019 19.53, Per Jessen wrote:
Carlos E. R. wrote:


This mirror is too slow:

--2019-06-10 19:17:10--
[snip]

Whom do I report it to, admin@o.o?

It's worth a try, it'll go to the mirror admin - that's me :-)

There isn't much we can do about a mirror being "slow". Anton
Aylward
has brought up the topic too. Most likely it is not the mirror that
is slow, but the end-to-end connection.

300 Kb/s when my connection is 100 Mb/s is very slow...

Like I said, you have to consider the end-to-end connection, looking at
either end is of little use. I am certain the University of Lissabon
has a very decent uplink, and yours is also fine.

Try doing a traceroute, that might give you an indication of the quality
of the interconnection between your provider and Uni Lissabon. From my
location, I see about 10 hops (ipv4), but the first goes via Milan.
The IPv6 route is virtually identical.

20 hops.

cer@Telcontar:~> traceroute ftp.rnl.tecnico.ulisboa.pt
traceroute to ftp.rnl.tecnico.ulisboa.pt (193.136.164.6), 30 hops max,
60 byte packets
1 router.valinor (192.168.1.1) 0.602 ms 0.811 ms 0.794 ms
2 * * *
3 * * *
4 134.red-81-46-33.customer.static.ccgg.telefonica.net (81.46.33.134)
14.459 ms * 142.red-81-46-33.customer.static.ccgg.telefonica.net
(81.46.33.142) 14.428 ms
5 * * 97.red-80-58-106.staticip.rima-tde.net (80.58.106.97) 15.918 ms
6 216.184.113.52 (216.184.113.52) 15.200 ms 15.251 ms
ae1-400-gramadte2.net.telefonicaglobalsolutions.com (216.184.113.186)
16.058 ms
7 94.142.97.139 (94.142.97.139) 16.287 ms 94.142.107.95
(94.142.107.95) 12.818 ms 11.365 ms
8 prs-bb3-link.telia.net (213.155.131.152) 51.013 ms
prs-bb4-link.telia.net (80.91.248.130) 49.946 ms 52.344 ms
9 ffm-bb3-link.telia.net (62.115.123.12) 53.266 ms
prs-bb4-link.telia.net (80.91.248.130) 51.260 ms ffm-bb3-link.telia.net
(62.115.123.12) 52.687 ms
10 ffm-bb3-link.telia.net (62.115.123.12) 54.366 ms
ffm-b12-link.telia.net (62.115.142.5) 49.979 ms ffm-b12-link.telia.net
(62.115.142.47) 54.245 ms
11 geant-ic-326862-ffm-b12.c.telia.net (80.239.135.137) 49.255 ms
49.223 ms 52.678 ms
12 * * *
13 * * *
14 ae0.mx2.lis.pt.geant.net (62.40.98.106) 96.756 ms * 97.454 ms
15 fccn-ias-fccn-gw.mx2.lis.pt.geant.net (83.97.88.210) 92.432 ms
ae0.mx2.lis.pt.geant.net (62.40.98.106) 96.191 ms 96.528 ms
16 ROUTER60.10GE.CR2.Lisboa.fccn.pt (193.137.0.28) 95.772 ms
ROUTER60.10GE.CR1.Lisboa.fccn.pt (193.137.0.14) 92.029 ms
fccn-ias-fccn-gw.mx2.lis.pt.geant.net (83.97.88.210) 95.037 ms
17 ROUTER60.10GE.CR2.Lisboa.fccn.pt (193.137.0.28) 96.082 ms
ROUTER60.10GE.CR1.Lisboa.fccn.pt (193.137.0.14) 96.070 ms
gtulisboa-ist.fccn.pt (193.136.1.94) 97.281 ms
18 gtulisboa-ist.fccn.pt (193.136.1.94) 98.114 ms 194.117.12.134
(194.117.12.134) 92.686 ms 97.227 ms
19 b0-2.gwcore2.tecnico.ulisboa.pt (193.136.134.143) 98.790 ms 95.169
ms 98.341 ms
20 b0-2.gwcore2.tecnico.ulisboa.pt (193.136.134.143) 93.150 ms * *



Right now I am downloading an ISO from ulisboa.pt - the speed goes up
and down quite a bit, but it seems to mostly run between 1 and 2Mb/s.
A concurrent download from Nuernberg is running at 25-26Mb/s.
A 3rd concurrent download from a Hetzner datacentre is racing along at
40Mb/s.

4Gb ISO download from Uni of Lissabon -

Hetzner @ Falkenstein - 89seconds, 43.3Mb/s.
openSUSE, Nuernberg - 3m35, 18Mb/s.
Hostsuisse, Switzerland - avg speed 2.34Mb/s.

I think we can conclude (with some guessing) -

Hetzner has a very direct interconnect to Portugal (it does not go via
Milan, for instance).
openSUSE in Nuernberg isn't so bad, but does go via Frankfurt.
For Portugal, Hostsuisse is pretty poor.

The mirror at Uni of Lisboa is not slow. It can easily feed 50-60Mb/sec.
I suspect much more locally.

But not to me...

It might be worth mentioning that measuring with wget (as I also did)
only gives an indication of one mirror - whereas zypper will use
chunked downloading from multiple mirrors, which should give you an
overall much better performance.

Yes, but I had to use wget to populate a partial local mirror. Maybe if
I could use aria2c instead that would make a difference, but I don't
know how.

Feel free to report slow mirrors, but there is very little we (openSUSE)
can do.

Not offer them from the Brain.

As we can not configure a local file to disable them...

--
Cheers / Saludos,

Carlos E. R.
(from 15.0 x86_64 at Telcontar)

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