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

Interface NodesPool

Name	Type	Description
max_in_bytes	long	Maximum amount of memory, in bytes, available for use by the heap.
peak_max_in_bytes	long	Largest amount of memory, in bytes, historically used by the heap.
peak_used_in_bytes	long	Largest amount of memory, in bytes, historically used by the heap.
used_in_bytes	long	Memory, in bytes, used by the heap.