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

Interface NodesFileSystemTotal

Name	Type	Description
available_in_bytes	long	Total number of bytes available to this Java virtual machine on all file stores. Depending on OS or process level restrictions, this might appear less than free_in_bytes. This is the actual amount of free disk space the Elasticsearch node can utilise.
available	string	Total disk space available to this Java virtual machine on all file stores. Depending on OS or process level restrictions, this might appear less than free. This is the actual amount of free disk space the Elasticsearch node can utilise.
free_in_bytes	long	Total number of unallocated bytes in all file stores.
free	string	Total unallocated disk space in all file stores.
total_in_bytes	long	Total size of all file stores in bytes.
total	string	Total size of all file stores.