-What is the preferred way to pass a small number of configuration parameters to a mapper or reducer
Kshiva Kps 2012-12-28, 08:17
Which one is current ..
What is the preferred way to pass a small number of configuration
parameters to a mapper or reducer?
*A. *As key-value pairs in the jobconf object.
*B. *As a custom input key-value pair passed to each mapper or reducer.
*C. *Using a plain text file via the Distributedcache, which each mapper
or reducer reads.
*D. *Through a static variable in the MapReduce driver class (i.e., the
class that submits the MapReduce job).