E. Store them in hbase...
On Sun, Dec 30, 2012 at 12:24 AM, Hemanth Yamijala < yhema...@thoughtworks.com> wrote: > If it is a small number, A seems the best way to me. > > On Friday, December 28, 2012, Kshiva Kps wrote: > >> >> 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). >> >> >> >> *Answer: B* >> >> >> >
