Earning Points. Starwood's Preferred Guest program is fairly straightforward: the more nights you spend at participating hotels, the faster you'll earn a free night.
As seen in the EXECUTING phase, the map will write (using Mapper.Context.write()) its output into a circular in-memory buffer (MapTask.MapOutputBuffer). The size of this buffer is fixed and determined by the configuration parameter mapreduce.task.io.sort.mb (default: 100MB).
Users can turn on and off layers of mapping data to quickly view electronic information. A âMarkupâ tool is also available which allows the user to draw on top of a map view. The altered map view is then available for export or printing. The system was designed to be easy to use and most information is accessible with the click of a mouse.