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make getAllPidsByCgroup work with cgroups v2 #12351

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shoenig opened this issue Mar 22, 2022 · 1 comment · Fixed by #12419
Closed

make getAllPidsByCgroup work with cgroups v2 #12351

shoenig opened this issue Mar 22, 2022 · 1 comment · Fixed by #12419
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@shoenig
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theme/cgroups cgroups issues type/bug

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@shoenig
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shoenig commented Mar 22, 2022

Again in shoring up cpuset tests, some driver tests fail on cgroups v2 because getAllPidsByCgroup assumes cgroups v1.

Will Skip these out for now and come back.
@shoenig shoenig self-assigned this Mar 22, 2022
@shoenig shoenig mentioned this issue Mar 22, 2022
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@shoenig shoenig mentioned this issue Mar 31, 2022
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shoenig added a commit that referenced this issue Mar 31, 2022
@shoenig
raw_exec: make raw exec driver work with cgroups v2
c8d2402 
This PR adds support for the raw_exec driver on systems with only cgroups v2.

The raw exec driver is able to use cgroups to manage processes. This happens
only on Linux, when exec_driver is enabled, and the no_cgroups option is not
set. The driver uses the freezer controller to freeze processes of a task,
issue a sigkill, then unfreeze. Previously the implementation assumed cgroups
v1, and now it also supports cgroups v2.

There is a bit of refactoring in this PR, but the fundamental design remains
the same.

Closes #12351 #12348
shoenig added a commit that referenced this issue Apr 4, 2022
@shoenig
raw_exec: make raw exec driver work with cgroups v2
be7ec8d 
This PR adds support for the raw_exec driver on systems with only cgroups v2.

The raw exec driver is able to use cgroups to manage processes. This happens
only on Linux, when exec_driver is enabled, and the no_cgroups option is not
set. The driver uses the freezer controller to freeze processes of a task,
issue a sigkill, then unfreeze. Previously the implementation assumed cgroups
v1, and now it also supports cgroups v2.

There is a bit of refactoring in this PR, but the fundamental design remains
the same.

Closes #12351 #12348
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raw_exec: make raw exec driver work with cgroups v2 hashicorp/nomad
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