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

Interface ClusterStatsOperatingSystemMemoryInfo

Name	Type	Description
adjusted_total_in_bytes	long	Total amount, in bytes, of memory across all selected nodes, but using the value specified using the es.total_memory_bytes system property instead of measured total memory for those nodes where that system property was set.
free_in_bytes	long	Amount, in bytes, of free physical memory across all selected nodes.
free_percent	integer	Percentage of free physical memory across all selected nodes.
total_in_bytes	long	Total amount, in bytes, of physical memory across all selected nodes.
used_in_bytes	long	Amount, in bytes, of physical memory in use across all selected nodes.
used_percent	integer	Percentage of physical memory in use across all selected nodes.