The memory usage I see here:

sudo cat /sys/fs/cgroup/memory/memory.usage_in_bytes

is different the from the sum of memory usage of the sub cgroups, which I calculated by getting all the sub cgroups using the following command:

sudo ls -dltrh /sys/fs/cgroup/memory/*/

Then I took the sum of the memory.usage_in_bytes for all of these sub cgroups. From what I understand, these two values should match.



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