I want to know where memory used in es, as shown in the following figure：21.3gb memory used now in this node.i know some of them, such as:
- segment memory（FTS is here？）
we can get 1 2 3 4 from _cat/nodes API，how can i get 5 and 6 monitor？
and what else is there used memory ? search agg or some things ? how can monitor them?