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).
To create a map file using the BizTalk Mapper. 1  In Solution Explorer, right-click the solution name, point to Add, and then click Add New Item. 2  In the Add New Item dialog box, click the Map Files folder. 3  In the Name box, type a unique name for the map file, and then click Open.