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).
In the Performance Options dialog box, click the Advanced tab. And under the Virtual Memory heading, click Change. By default, Windows creates a single page file and manages its size. The Currently Allocated numÂ¬ber near the bottom of the dialog box shows how large the file is.