Explanation:lzo and lzop need to be installed on every node in the Hadoop cluster. 4. Which of the following will prefix the query string with parameters:
A. SET hive.exec.compress.output=false
B. SET hive.compress.output=false
C. SET hive.exec.compress.output=true
D. All of the mentioned
Answer:A
Explanation:lzo and lzop need to be installed on every node in the Hadoop cluster. 4. Which of the following will prefix the query string with parameters:
A. SET hive.exec.compress.output=false B. SET hive.compress.output=false C. SET hive.exec.compress.output=true D. All of the mentioned
Explanation:Use lzop command utility or your custom Java to generate .lzo.index for the .lzo files. 5. Point out the wrong statement :