You have just run a MapReduce job to filter user messages to only those of a selected geographical region. The output for this job is in a directory named westUsers, located just below your home directory in HDFS. Which command gathers these into a single file on your local file system?
A) Hadoop fs -getmerge -R westUsers.txt
B) Hadoop fs -getemerge westUsers westUsers.txt
C) Hadoop fs -cp westUsers/* westUsers.txt
D) Hadoop fs -get westUsers westUsers.txt
Correct Answer:
Verified
Q20: Your cluster is configured with HDFS and
Q21: Given: You want to clean up
Q22: Assume you have a file named foo.txt
Q23: You have recently converted your Hadoop cluster
Q24: Choose three reasons why should you run
Q25: You have a cluster running with a
Q26: In CDH4 and later, which file contains
Q28: You are running Hadoop cluster with all monitoring
Q29: Your cluster implements HDFS High Availability (HA).
Q30: You have installed a cluster HDFS and
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents