Explanation:If you do not specify an input format class, the TextInputFormat is used as the default. 3. Which of the following Hadoop streaming command option parameter is required ?
A. output directoryname
B. mapper executable
C. input directoryname
D. All of the mentioned
Answer:A
Explanation:If you do not specify an input format class, the TextInputFormat is used as the default. 3. Which of the following Hadoop streaming command option parameter is required ?
A. output directoryname B. mapper executable C. input directoryname D. All of the mentioned
Explanation:Required parameters is used for Input and Output location for mapper. 4. To set an environment variable in a streaming command use: