Unaccounted memory usage in Red Hat Enterprise Linux.
Issue
- The system has 40 GiB of memory and the total memory used by the processes running on the system is 20 GiB, but Free command is showing 39 GiB of memory has used in the system.
# cat sos_commands/memory/free_-m
total used free shared buffers cached
Mem: 40076 38908 1167 18268 1 603
-/+ buffers/cache: 38304 1772
Swap: 65151 5431 59720
- Need to find out where the rest 19 GiB of memory being used in the system.
Environment
- Red Hat Enterprise Linux.
- VMware Virtual Platform ESX server.
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