Ian Downes created MESOS-1178:
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Summary: Only enable the oom killer if it's not enabled
Key: MESOS-1178
URL: https://issues.apache.org/jira/browse/MESOS-1178
Project: Mesos
Issue Type: Bug
Components: isolation
Affects Versions: 0.17.0, 0.18.0
Reporter: Ian Downes
Assignee: Ian Downes
Priority: Minor
When the cgroups memory isolator is used Mesos will always try to enable the
kernel oom killer by writing 0 to the memory.oom_control file. This will fail
if memory.use_hierarchy is enabled on a parent cgroup, *even* if the oom killer
is already enabled.
We should attempt to enable the oom killer only if it is not enabled.
This was observed on a Fedora 20 box which had memory.use_hierarchy enabled.
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