Experiencing massive slow responses on both Fly.io and app hosted on it

1

Hi everyone,

Am I the only one experiencing massive slow response today? On both the Fly website (landing, docs, and dashboard, only exception is the forums) and my app hosted by Fly.io?

I don’t see anything on status, and I can go through the forums, but it’s almost impossible to load a dashboard page. I have tried on wi-fi and 5G, mobile & desktop & laptop.

2

That’s odd. We’re not aware of anything that could cause this right now.

It might be localized. From which country / province / city are you accessing our site? Can you provide a traceroute?

So you’re saying this was fast before and now it’s slow?

3

I’m from Toulouse, Occitanie, France.

Everything seems to be back to normal, but the slowdowns lasted at least an hour, and concerned both the site Fly.io (except for the forum and the “status” site). and the sites hosted on it.

Here the traceroute :

⋊> ~ traceroute fly.io                                                                      18:38:37
traceroute to fly.io (37.16.18.81), 30 hops max, 60 byte packets
 1  _gateway (192.168.1.1)  1.147 ms  2.249 ms  2.248 ms
 2  * * *
 3  10.254.69.86.rev.sfr.net (86.69.254.10)  3.667 ms  3.664 ms  5.390 ms
 4  57.146.6.194.rev.sfr.net (194.6.146.57)  16.122 ms  16.093 ms  16.095 ms
 5  57.146.6.194.rev.sfr.net (194.6.146.57)  15.497 ms  15.494 ms  16.044 ms
 6  * * *
 7  be3184.ccr42.par01.atlas.cogentco.com (154.54.38.157)  26.247 ms  24.809 ms  24.805 ms
 8  be3626.rcr21.par05.atlas.cogentco.com (130.117.1.46)  25.537 ms  24.774 ms  24.755 ms
 9  be2684.nr62.b015594-1.par05.atlas.cogentco.com (154.25.14.22)  25.331 ms  25.296 ms  26.402 ms
10  * * *
11  * * *
12  * * *
13  * * *
14  * * *
15  * * *
16  * * *
17  * * *
18  * * *
19  * * *
20  * * *
21  * * *
22  * * *
23  * * *
24  * * *
25  * * *
26  * * *
27  * * *
28  * * *
29  * * *
30  * * *

And it was definitely not my internet connection because everything was working fine, I was even able to upload the video above on Youtube, and the same slowdowns were on wifi and 5G.

4

What regions do you see listed on debug.fly.dev? Transit over cogent is not great, it may just be that you hit some internet congestion or a bad route.

5

Here debug.fly.dev, looks like “cdg” :

=== Headers ===
Host: debug.fly.dev
Accept-Encoding: gzip, deflate, br
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: cross-site
X-Forwarded-For: 2a02:842a:25:1001:6816:4c2c:8759:e0d1, 2a09:8280:1::1:2
Fly-Forwarded-Proto: https
Fly-Forwarded-Ssl: on
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/110.0
X-Forwarded-Port: 443
Fly-Request-Id: 01GTW0373H48JVCBADJ148TBFQ-cdg
Via: 2 fly.io
Fly-Traceparent: 00-1a034426e366e3c7744cb346581af1cd-00e69a097c8c0c07-00
Fly-Forwarded-Port: 443
X-Forwarded-Ssl: on
Fly-Region: cdg
Sec-Fetch-User: ?1
Fly-Client-Ip: 2a02:842a:25:1001:6816:4c2c:8759:e0d1
X-Forwarded-Proto: https
Fly-Tracestate: 
Dnt: 1
Accept-Language: en-US,fr-FR;q=0.7,en;q=0.3
X-Request-Start: t=1678124358770039
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8

2023-03-06 17:39:18.775029481 +0000 UTC m=+279796.964910540
6

Is it still slow? That looks like it’s routing right.

If it’s still bad, can you provide a mtr fly.io (with a sampling of at least 5 minutes)? There could be packet loss along the route.

7

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