meeting-notes: add 2025-04-03
Martin Weinelt committed
Apr 17, 2025 at 18:34 UTC
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docs/meeting-notes/2025-04-03.md
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+# 2025-04-03
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+Attendees: dgrig/erethon, mic92, vcunat
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+
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+- erethon:
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+ - Tested umbriel email server -> works https://github.com/NixOS/infra/pull/600
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+ - Security bug tracker: no news, still running and ingesting CVEs.
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+ - Want to work on deprecating go-neb for matrix-alertmanager tomorrow (4/4) https://github.com/NixOS/infra/issues/549#issuecomment-2764778573
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+- mic92:
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+ - Our Nixos infra hydra patches needs to be fixed or merged into master: https://github.com/NixOS/hydra/pull/1456
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+ - staging-hydra:
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+ - Works and trial-migration worked.
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+ - We still need to figure out how to copy old store path from old evaluations to the new cache (worked with shivaraj and m1-s)
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+ - maybe we can use https://releases.nixos.org/nixpkgs/nixpkgs-17.03pre96825.497e6d2/store-paths.xz instead
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+ - Glacier can be actually also quite expensive or very slow access
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+ - small objects need to be excluded through filters
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+ - migration costs from s3
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+- vcunat:
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+ - Hydra:
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+ - Runs stable
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+ - No big issues, xz compression bottlenecks less worse because of more CPU power
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+ - Build-ingestions of queue-runner is the new bottleneck (maybe a large latency between s3 and the server)
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+- Jeremy:
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+ - Mailserver:
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+ - Everything prepared and we just need to update DNS and sunset the old service
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+ - Maybe need another dump of the user
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+ - Saturday: 16:00 UTC / 18:00 Berlin Time
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+- Arian:
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+ - binary cache:
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+ - looked into moving parts of the binary cache into instant access glacier tier
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+ - phased approach. E.g. start with `nars/a*` then `nars/b*` etc ...
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+ - rule of thumb: access is twice as expensive but storage twice as cheap compared to infrequent access. but same latency guarantees
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+ - TODO: Please give Mic92 the s3 cost sheet
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+ - current storage (not bandwidth cost):
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+ - Want to enable object versioning on narinfos
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+- edef:
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+ - https://releases.nixos.org/nixpkgs/nixpkgs-17.03pre96825.497e6d2/store-paths.xz
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+ - narinfos are always in standard tier. due to small size. (Except for some pathalogically large narinfos)
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+ - rules
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+ - recent retrieval
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+ - recent upload
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+ - or in releases.nixos.org
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+