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Setting --cpus in docker driver requires CONFIG_CFS_BANDWIDTH in kernel #9248

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afbjorklund opened this issue Sep 14, 2020 · 0 comments · Fixed by #9255
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Setting --cpus in docker driver requires CONFIG_CFS_BANDWIDTH in kernel #9248

afbjorklund opened this issue Sep 14, 2020 · 0 comments · Fixed by #9255
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co/docker-driver Issues related to kubernetes in container kind/bug Categorizes issue or PR as related to a bug. os/linux priority/backlog Higher priority than priority/awaiting-more-evidence.

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@afbjorklund
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If you are running on a kernel without all the Completely Fair Scheduler (CFS) config enabled, using --cpus will fail:

NanoCPUs can not be set, as your kernel does not support CPU cfs period/quota or the cgroup is not mounted

We should look if this feature is supported, and just run minikube without the cpu throttling (without --cpus) if it is not.

/sys/fs/cgroup/cpu/cpu.cfs_period_us
/sys/fs/cgroup/cpu/cpu.cfs_quota_us

Similar to what we do for --memory-swap
@afbjorklund afbjorklund added kind/bug Categorizes issue or PR as related to a bug. os/linux priority/backlog Higher priority than priority/awaiting-more-evidence. co/docker-driver Issues related to kubernetes in container labels Sep 14, 2020
This was referenced Sep 15, 2020
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co/docker-driver Issues related to kubernetes in container kind/bug Categorizes issue or PR as related to a bug. os/linux priority/backlog Higher priority than priority/awaiting-more-evidence.
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kic drivers: Make sure CFS_BANDWIDTH is available for --cpus afbjorklund/minikube
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