Brand new from the Support and Services team is Optimizing and Maintaining Performance for Microsoft Dynamics GP® 2010 . I grabbed my copy yesterday and I’m looking forward to reading it before the new year.
Optimizing and Maintaining Performance for Microsoft Dynamics GP® 2010 – Inside Microsoft Dynamics GP
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.