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).
Now we can download the data displayed on the map canvas. Go to . In the Download OpenStreetMap data dialog, choose From map canvas as the Extent. Choose the path and name the output file as london.osm. The downloaded file with the .osm extension is an text file in the OSM XML format. We first need to convert it into a suitable format that is easy to consume in QGIS. Go to Vector â£ OpenStreetMap â£ Import topology from XML.