iex()2> :erlang.memory
[
total: 44351460976,
processes: 43448515616,
processes_used: 43448139704,
system: 902945360,
atom: 1722569,
atom_used: 1701352,
binary: 155569120,
code: 51306368,
ets: 662070536
]
$ free -h
total used free shared buffers cached
Mem: 40G 18G 21G 56K 166M 942M
-/+ buffers/cache: 17G 22G
Swap: 0B 0B 0B
As you can see erlang is showing more memory vs available in a system.
How it’s possible ?