Q) How can we look for the Namenode in the browser?
If you have to look for Namenode in the browser, you don’t have to give localhost:8021, the
port number to look for Namenode in the brower is 50070.
Q) How to change from SU to Cloudera?
To change from SU to Cloudera just type exit.
Q) What does hadoop-metrics.properties file do?
hadoop-metrics.properties is used for ‘Reporting‘ purposes. It controls the reporting for
Hadoop. The default status is ‘not to report‘.
Q) Which files are used by the startup and shutdown commands?Slaves and Masters are used by the startup and the shutdown commands.
Q) Is there a map input format in Hadoop?
A. Yes, but only in Hadoop 0.22+.
B. Yes, there is a special format for map files.
C. No, but sequence file input format can read map files.
D. Both 2 and 3 are correct answers.
If you have to look for Namenode in the browser, you don’t have to give localhost:8021, the
port number to look for Namenode in the brower is 50070.
Q) How to change from SU to Cloudera?
To change from SU to Cloudera just type exit.
Q) What does hadoop-metrics.properties file do?
hadoop-metrics.properties is used for ‘Reporting‘ purposes. It controls the reporting for
Hadoop. The default status is ‘not to report‘.
Q) Which files are used by the startup and shutdown commands?Slaves and Masters are used by the startup and the shutdown commands.
Q) Is there a map input format in Hadoop?
A. Yes, but only in Hadoop 0.22+.
B. Yes, there is a special format for map files.
C. No, but sequence file input format can read map files.
D. Both 2 and 3 are correct answers.
0 comments:
Post a Comment