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From Jie Yu <>
Subject Review Request 57574: Ensured the cgroup memory+swap limit is no less than the memory limit.
Date Tue, 14 Mar 2017 00:04:41 GMT

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Review request for mesos, Benjamin Mahler, haosdent huang, Ian Downes, and Kevin Klues.

Bugs: MESOS-7237

Repository: mesos


This addressed the bug we saw in MESOS-7237. Linux kernel will ensure
cgroup memory+swap limit (i.e., 'memory.memsw.limit_in_bytes') is always
no less than the memory limit ('memory.limit_in_bytes'). Prior to this
patch, the memory subsystem in the cgroups isolator is buggy because
memory+swap limit is always changed after the memory limit. This will
cause EINVAL if we increase the memory limit of the container.


  src/slave/containerizer/mesos/isolators/cgroups/subsystems/memory.cpp 009e996add25e43e8989600a58b38f2cc88a5d11



sudo make check


Jie Yu

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