Re: cdn seems slow. ping times and broadband speeds are fine

On Sun, 12 Jul 2026 15:02:09 +0200,
void <[email protected]> wrote:
> 
> Hi,
> 
> Anyone noticing how slow the cdn.openbsd.org is for sysupgrade -s ?
> Any reason?
>

CDN is literally cache.

If someone had downloaded it recently from your location, you'll get it
fast. If no one, well, when CDN downloads it from upstream and after that
servers for you.


> location: GB
> connection speeds:
> ✓ Download: 834.36 Mbps (Used: 1041.59MB) (Latency: 18ms Jitter: 7ms Min: 7ms Max: 35ms)
> ✓ Upload: 83.37 Mbps (Used: 119.52MB) (Latency: 11ms Jitter: 6ms Min: 6ms Max: 28ms)
> 
> % host cdn.openbsd.org
> cdn.openbsd.org is an alias for openbsd.map.fastlydns.net.
> openbsd.map.fastlydns.net has address 151.101.131.52
> openbsd.map.fastlydns.net has address 151.101.195.52
> openbsd.map.fastlydns.net has address 151.101.3.52
> openbsd.map.fastlydns.net has address 151.101.67.52
> openbsd.map.fastlydns.net has IPv6 address 2a04:4e42:600::820
> openbsd.map.fastlydns.net has IPv6 address 2a04:4e42::820
> openbsd.map.fastlydns.net has IPv6 address 2a04:4e42:200::820
> openbsd.map.fastlydns.net has IPv6 address 2a04:4e42:400::820
> 
> # sysupgrade -s
> Fetching from https://cdn.openbsd.org/pub/OpenBSD/snapshots/arm64/
> SHA256.sig   100%
> |**************************************************************************|
> 1719       00:00    Signature Verified
> BUILDINFO    100%
> |**************************************************************************|
> 54       00:00    Verifying old sets.
> INSTALL.arm64 100%
> |*************************************************************************|
> 41977       00:00    base79.tgz    51%
> |*************************************
> |   195 MB    14:59 ETA
> 
> % ping cdn.openbsd.org
> ping: Warning: openbsd.map.fastlydns.net has multiple addresses; using 151.101.3.52
> PING openbsd.map.fastlydns.net (151.101.3.52): 56 data bytes
> 64 bytes from 151.101.3.52: icmp_seq=0 ttl=59 time=5.985 ms
> 64 bytes from 151.101.3.52: icmp_seq=1 ttl=59 time=6.083 ms
> 64 bytes from 151.101.3.52: icmp_seq=2 ttl=59 time=5.788 ms
> ^C
> --- openbsd.map.fastlydns.net ping statistics ---
> 3 packets transmitted, 3 packets received, 0.0% packet loss
> round-trip min/avg/max/std-dev = 5.788/5.952/6.083/0.123 ms
> 
> -- 
> 

-- 
wbr, Kirill