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.
Depending on the operating system, ping utility output varies. 1  However, almost all ping outputs display the following: 2  Destination IP address. 3  ICMP sequence number. 4  Time to live (TTL) 5  Round-trip time. 6  Payload size. 7  The number of packets lost during transmission.