Friday, 21 December 2012

Can you provide multiple input paths to a map-reduce jobs? | Hadoop

A.  Yes, but only in Hadoop 0.22+.
B.  No, Hadoop always operates on one input directory.
C.  Yes, developers can add any number of input paths.
D.  Yes, but the limit is currently capped at 10 input paths.

Answer:  C


No comments: