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.
Navigation system, updating and care. Contents of the main unit All map information is stored on the main unit's hard drive. There is no DVD in the unit when it is delivered. The DVDs are used for any updates to system or map information, see the instructions of the DVD's cover.