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.
A. archives
B. files
C. task
D. None of the mentioned
Answer:A
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.
A. archives B. files C. task D. None of the mentioned
Explanation:Archives options is also a generic option. 7. ______________ class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.