Which of the following is the default Partitioner for Mapreduce ?
A. MergePartitioner
B. HashedPartitioner
C. HashPartitioner
D. None of the mentioned
Answer:A
Which of the following is the default Partitioner for Mapreduce ?
A. MergePartitioner B. HashedPartitioner C. HashPartitioner D. None of the mentioned
Explanation:The total number of partitions is the same as the number of reduce tasks for the job. 2. Point out the correct statement :