cgroup memory.limit_in_bytes : is it VIRT or RES that is limited?
Solution 1:
It applies to the user memory including the file cache.
Check memory.limit_in_bytes here https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Resource_Management_Guide/sec-memory.html
memory.limit_in_bytes sets the maximum amount of user memory (including file cache).
Being:
cache: page cache, including tmpfs (shmem), in bytes
rss: anonymous and swap cache, not including tmpfs (shmem), in bytes