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docker: cpuset fixer not working on cgroups v1 systems #20293

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shoenig opened this issue Apr 4, 2024 · 1 comment · Fixed by #20294
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docker: cpuset fixer not working on cgroups v1 systems #20293

shoenig opened this issue Apr 4, 2024 · 1 comment · Fixed by #20294
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stage/accepted Confirmed, and intend to work on. No timeline committment though. theme/cgroups cgroups issues type/bug
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1.7.x

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@shoenig
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shoenig commented Apr 4, 2024

While investigating #20275 (potential fix in #20276) I realized the docker driver's cpuset fixer is broken on cgroups v1 systems.

[error] cpuset copyCpuset read source error=open /sys/fs/cgroup/cpuset/nomad/share/cpuset.cpus.effective: no such file or directory

That filename is a cgroups v2 thing; in cgroups v1 it should be cpuset.effective_cpus
@shoenig shoenig added type/bug stage/accepted Confirmed, and intend to work on. No timeline committment though. theme/cgroups cgroups issues labels Apr 4, 2024
@shoenig shoenig added this to the 1.7.x milestone Apr 4, 2024
@shoenig shoenig mentioned this issue Apr 4, 2024
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docker: use correct effective cpuset filename on legacy cgroups v1 systems hashicorp/nomad
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