Speed up show_map
Speed up show_map

Improve the eager-loading hints, and avoid loading information twice.

Change-Id: I2c2df0655599bfc5a5e2b732e00ebcab700ac75e
Reviewed-by: Priya Joshi <3c6cfa6f57440adfc837c4ad04483313acbc2582@morganstanley.com>

quattor/aquilon,guillaume-philippon/aquilon,guillaume-philippon/aquilon,guillaume-philippon/aquilon,quattor/aquilon,quattor/aquilon