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.
The mapper output (intermediate data) is stored on the Local file system (NOT HDFS) of each individual mapper nodes. This is typically a temporary directory location which can be setup in config by the hadoop administrator. The intermediate data is cleaned up after the Hadoop Job completes.
The Messaging Application Program Interface (MAPI) defines a set of properties that are independent of Microsoft Exchange. The CDO libraries define 32-bit type library constants for these predefined MAPI properties. For more information, see MAPI Property Tags.