Which of the following can be used to control number of output files of the MapReduce job output directory Select one: a. Number of partitions from the partitioner b. Number of mappers c. Number of reducers
Which of the following can be used to control number of output files of the MapReduce job output directory Select one: a. Number of partitions from the partitioner b. Number of mappers c. Number of reducers
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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![Which of the following can be used to control number of output files of the MapReduce job output
directory
Select one:
a. Number of partitions from the partitioner
b. Number of mappers
c. Number of reducers
Which of the following is true about HDFS Block
Select one:
a. It is a physical representation of data
b. It is both logical and physical representation of data
c. It is a logical representation of data
In MapReduce framework the partitioner is responsible for partitioning the map intermediate
output key-values into partitions to make sure that every reducer receives the same number of
key-value pairs
Select one:
True
False](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1bc71664-0f41-49e8-a190-9212c556c45f%2Fde3d67fc-fb3f-47e6-b288-7c9c64305337%2F49k1ftp_processed.png&w=3840&q=75)
Transcribed Image Text:Which of the following can be used to control number of output files of the MapReduce job output
directory
Select one:
a. Number of partitions from the partitioner
b. Number of mappers
c. Number of reducers
Which of the following is true about HDFS Block
Select one:
a. It is a physical representation of data
b. It is both logical and physical representation of data
c. It is a logical representation of data
In MapReduce framework the partitioner is responsible for partitioning the map intermediate
output key-values into partitions to make sure that every reducer receives the same number of
key-value pairs
Select one:
True
False
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