GET /_cat/nodes?v&pretty
ip heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
XX.XX.XX.XX 73 99 30 2.06 1.60 1.10 d - ed1
XX.XX.XX.XX 22 65 1 0.14 0.04 0.01 m - em3
XX.XX.XX.XX 85 99 39 2.24 1.38 0.82 d - ed3
XX.XX.XX.XX 41 68 2 0.09 0.03 0.01 m - em1
XX.XX.XX.XX 52 47 1 0.09 0.04 0.01 - - ec2
XX.XX.XX.XX 62 79 11 0.41 0.20 0.12 m * em2
XX.XX.XX.XX 39 99 19 3.48 1.95 1.09 d - ed2
XX.XX.XX.XX 23 58 1 0.07 0.03 0.01 - - ec1
what does ram.percent and heap.percent mean each node have 15gb memory and heap size is 7gb does ram.percent is showing the memory percentage of system or elasticsearch heap size