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NixOS.org Infrastructure

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Infra operational issues backlog: https://github.com/orgs/NixOS/projects/52 | See #infra-alerts:nixos.org for real time alerts from Prometheus.80 Servers

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2 Mar 2024
@k900:0upti.meK900 ⚡️So if anyone is doing it it would be fastly21:29:46
@hexa:lossy.networkhexa (signing key rotation when)
< HTTP/2 200 
< last-modified: Tue, 20 Feb 2024 23:57:45 GMT
< etag: "da9a97ba91d8c1d8bd0adecda5602939"
< x-amz-server-side-encryption: AES256
< content-type: application/x-nix-nar
< server: AmazonS3
< via: 1.1 varnish, 1.1 varnish
< accept-ranges: bytes
< date: Sat, 02 Mar 2024 21:32:03 GMT
< age: 0
< x-served-by: cache-iad-kcgs7200054-IAD, cache-muc13920-MUC
< x-cache: MISS, HIT
< x-cache-hits: 0, 1
< x-timer: S1709415123.335958,VS0,VE268
< access-control-allow-origin: *
< content-length: 530111560
21:32:11
@hexa:lossy.networkhexa (signing key rotation when)so I guess the answer is no21:32:48
3 Mar 2024
@delroth:delroth.netdelroth
In reply to @hexa:lossy.network
so I guess the answer is no
curl might not be sending the right accept header by default fwiw, can't remember if it needs a flag to accept gzip
00:10:07
@delroth:delroth.netdelroth Not in front of a computer to check :p 00:10:18
@hexa:lossy.networkhexa (signing key rotation when)
curl -v https://cache.nixos.org/nar/17zpflxb5s1iqamppqr8ksb9ivkah8sfgfrza6kfl5350ax8fii7.nar.xz --compressed
00:10:42
@hexa:lossy.networkhexa (signing key rotation when)is what I called00:10:44
@hexa:lossy.networkhexa (signing key rotation when)

Accept-Encoding: deflate, gzip, br, zstd

00:10:52
@delroth:delroth.netdelroth Way ahead of me :p 00:10:53
@delroth:delroth.netdelrothhttps://github.com/NixOS/hydra/commit/4db7c51b5c9b595e3bde1f7ae4e74f54945af484 turns out hydra-queue-runner used to have some local work parallelism throttling, but for inputs not for outputs09:22:03
@delroth:delroth.netdelrothI'm discovering this because the throttling was removed but not the constant that controls the number of parallel threads...09:22:23
@delroth:delroth.netdelrothactually until some time in 2020 it also had throttling for compression https://github.com/NixOS/hydra/commit/cbcf6359b4b8525ab6252de2c3cc38939718315909:23:54
@delroth:delroth.netdelrothit was introduced to reduce memory pressure because at the time the compression was buffering a bunch of stuff in memory09:24:23
@delroth:delroth.netdelrothbut I think nobody realized it also helped with other stuff...09:24:35
@k900:0upti.meK900 ⚡️unstable-small is backlogged again, bonked09:30:37
@joerg:thalheim.ioMic92Does the NixOS infra already have some mailer that can be used for sending confirmation / password reset emails?09:49:52
@joerg:thalheim.ioMic92Asking for the wiki09:49:57
@delroth:delroth.netdelroth
In reply to @joerg:thalheim.io
Does the NixOS infra already have some mailer that can be used for sending confirmation / password reset emails?
I would guess that we do because there's some SPF records including improvmx and Gandi, but I don't know who's set that up and what it's used for
10:18:50
@delroth:delroth.netdelrothhmmm improvmx isn't a generic mailer service actually, and not sure what's set up at gandi right now10:21:04
@delroth:delroth.netdelrothso maybe not10:21:08
@delroth:delroth.netdelroth(discourse's mailing is currently all handled by flying circus, so most likely we can't reuse that unfortunately)10:22:03
@joerg:thalheim.ioMic92Ok, I'll guess I copy my send-only postfix setup into the staging infrastructure.10:22:15
@joerg:thalheim.ioMic92I could probably ask flying circus as well, if they would sponsor an email setup as well.10:22:54
@joerg:thalheim.ioMic92It wouldn't be high-volume.10:23:03
@joerg:thalheim.ioMic92 the gandi stuff would be also an option. If I had to guess, I would say Jonas Chevalier set this one up 10:24:06
@isa:flauschekatze.spaceisa joined the room.10:42:44
@leona:leona.isleona
In reply to @joerg:thalheim.io
I could probably ask flying circus as well, if they would sponsor an email setup as well.
This could probably also work :)
11:11:51
@zimbatm:numtide.comJonas Chevalier
In reply to @joerg:thalheim.io
the gandi stuff would be also an option. If I had to guess, I would say Jonas Chevalier set this one up
I did, but Gandi is moving away from the free mailboxes. It's probably not a good solution long term.
11:28:01
@patka_123:matrix.orgpatkaIt isn't. Gandi's business is largely just extracting as much money from everyone as possible11:36:43
@fricklerhandwerk:matrix.org@fricklerhandwerk:matrix.org left the room.19:55:24

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