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.
To create a variable that indicates the name and path to the access.log file being analyzed, place a File Upload node on the work area. Instead of the small triangle that represents data output from the node, there is a small red dot, which indicates that the output is a flow variable, not data. Draw a line that connects the flow variable output of the Column Filter to the flow variable input of the Java Edit Variable (simple) node. 2  Draw a line that connects the flow variable output of the Java Edit Variable (simple) node to the flow variable input of the CSV Writer.