elasticsearch-js/docs/reference/api/NodesMemoryStats.md

NodesMemoryStats [interface-NodesMemoryStats]

Name	Type	Description
adjusted_total_in_bytes	long	If the amount of physical memory has been overridden using the es. total_memory_bytes system property then this reports the overridden value in bytes. Otherwise it reports the same value as total_in_bytes.
free_in_bytes	long	Amount of free physical memory in bytes.
resident_in_bytes	long
resident	string
share_in_bytes	long
share	string
total_in_bytes	long	Total amount of physical memory in bytes.
total_virtual_in_bytes	long
total_virtual	string
used_in_bytes	long	Amount of used physical memory in bytes.