!CcTBuBritXGywOEGWJ:matrix.org

NixOS Binary Cache Self-Hosting

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About how to host a very large-scale binary cache and more47 Servers

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11 Mar 2024
@shalokshalom:dendrite.matrix.orgShalok Shalom
In reply to @edef1c:matrix.org
we literally can't afford to run two build farms side by side
yeah, that is understandable. I would be tempted to care for that for the testing period.
17:36:07
@edef1c:matrix.orgedefthat's more about build farm capacity than anything about perl, i think17:36:11
@edef1c:matrix.orgedefi don't have stats on the build farm utilisation, maybe the infra team does17:36:31
@shalokshalom:dendrite.matrix.orgShalok Shalomdifferent opinions about that from different sides 17:36:36
@shalokshalom:dendrite.matrix.orgShalok ShalomI heard the word 'clusterfuck' 😃17:37:01
@edef1c:matrix.orgedefon priors i'd lean towards "we just don't have enough compute" rather than "we're leaving it idle", but talk is cheap, i'd love to see some data17:37:11
@edef1c:matrix.orgedeflike, broadly it's not very complicated, we (hopefully) have a Prometheus somewhere and a Grafana dash somewhere that can tell us this17:37:39
@shalokshalom:dendrite.matrix.orgShalok ShalomI know there is a Grafana17:38:07
@shalokshalom:dendrite.matrix.orgShalok Shalomdidnt look into it too deep17:38:12
@shalokshalom:dendrite.matrix.orgShalok Shalomhttps://status.nixos.org/17:38:23
@edef1c:matrix.orgedefthe build scheduler definitely has issues, and we could do a lot better17:38:41
@edef1c:matrix.orgedefi certainly have some prototype bits and pieces lying around for various parts of the stack, but none of that is productionised or tested at scale17:39:14

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