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

Interface NodesFileSystem

Name	Type	Description
data	NodesDataPathStats[]	List of all file stores.
io_stats	NodesIoStats	Contains I/O statistics for the node.
timestamp	long	Last time the file stores statistics were refreshed. Recorded in milliseconds since the Unix Epoch.
total	NodesFileSystemTotal	Contains statistics for all file stores of the node.