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

NodesNodeBufferPool [interface-NodesNodeBufferPool]

Name	Type	Description
count	long	Number of buffer pools.
total_capacity_in_bytes	long	Total capacity of buffer pools in bytes.
total_capacity	string	Total capacity of buffer pools.
used_in_bytes	long	Size of buffer pools in bytes.
used	string	Size of buffer pools.