1. A computer-readable storage medium having instructions therein that when executed by the machine, cause the machine to: receive a graphical tree hierarchy with a plurality of levels, wherein the graphical tree hierarchy includes at least a root node, a plurality of non-leaf nodes, and a plurality of leaf nodes, and wherein the graphical tree hierarchy represents a data structure; aggregate at least a portion of the plurality of non-leaf nodes at a level of the graphical tree hierarchy, if a subset of the plurality of non-leaf nodes residing at the level exceeds a maximum number of nodes per the level; scale down the plurality of leaf nodes, if the plurality of levels of the graphical tree hierarchy exceeds a maximum number of levels; and display the graphical tree hierarchy in a predefined GUI region, the displayed graphical tree is associated with the data structure and accompanying metadata.