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.
A. KeyFieldPartitioner
B. KeyFieldBasedPartitioner
C. KeyFieldBased
D. None of the mentioned
Answer:A
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.
A. KeyFieldPartitioner B. KeyFieldBasedPartitioner C. KeyFieldBased D. None of the mentioned
Explanation:The primary key is used for partitioning, and the combination of the primary and secondary keys is used for sorting. 8. Which of the following class provides a subset of features provided by the Unix/GNU Sort ?