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udhos/Go, Containers, and the Linux Scheduler.md

Last active November 10, 2023 06:17
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Go, Containers, and the Linux Scheduler
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Go, Containers, and the Linux Scheduler.md

Go, Containers, and the Linux Scheduler

https://www.riverphillips.dev/blog/go-cfs/

GOMAXPROCS should be set to the number of CPU cores that the container is allowed to use, if you’re allocating fractional CPU round down, unless you’re allocating less than 1 CPU core in which case round up. GOMAXPROCS=max(1, floor(CPUs)) can be used to calculate the value. If you find it easier Uber has open sourced a library automaxprocs to calculate this value for you from your container’s cgroups automatically.

golang/go#33803

https://github.com/uber-go/automaxprocs

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