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).
I. What to Know About Saving Capabilities in the UDS Mapper. UDS Mapper has limited ability to save mapping information. We recommend that you complete your. map on a single computer, using a single internet browser. Wait until you have enough time in one. sitting to finish and export your map to a PDF or word document.