InterviewSolution
Saved Bookmarks
| 1. |
Point out the wrong statement.(a) Hadoop has a library package called Aggregate(b) Aggregate allows you to define a mapper plugin class that is expected to generate “aggregatable items” for each input key/value pair of the mappers(c) To use Aggregate, simply specify “-mapper aggregate”(d) None of the mentioned |
|
Answer» Correct option is (c) To use Aggregate, simply specify “-mapper aggregate” The best I can explain: To use Aggregate, simply specify “-reducer aggregate” |
|