Explanation:Environment Variable is set using cmdenv command. 5. 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:A
Explanation:Environment Variable is set using cmdenv command. 5. 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
Explanation:To use Aggregate, simply specify “-reducer aggregate”: 6. The ________ option allows you to copy jars locally to the current working directory of tasks and automatically unjar the files.