The MongoDB database that stores your analytics data has two collections: last and agg. Both of these collections will be very large, probably with millions of entries. Configure an appropriate set of...

The MongoDB database that stores your analytics data has two collections: last and agg. Both of these collections will be very large, probably with millions of entries. Configure an appropriate set of MongoDB indexes for these collections. For help, read this page of the MongoDB documentation: http://www.mongodb.org/display/DOCS/Indexes.