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I haven’t tested hard CPU quotas with Nomad but I suspect the issue mentioned above is due to cgroups/CFS and is also applicable to Kubernetes. See these slides for more details: https://www.slideshare.net/mobile/try_except_/optimizing-kub...

I recall that there's been some improvements to CFS to fix this since 2018.

There's been a ton of improvements over time. That doesn't make it any less foot-gun-y, unfortunately.

I had the exact same problem with Kubernetes (and even just straight up containers), I just want to make sure folks are extremely aware of how big of a footgun it is, and to really, really, really test it well.

Yes, you know that small organization, Linux; who manages cgroups that everything else calls through with.

I have only tested it with Docker, again, that company Moby with this very little used software.

How dare their core systems have any systems that are not extremely simple to understand and have caveats.

Ha, have you ever tried kubernetes?