What is crontab? Explain with suitable example?
Is client the end user in HDFS?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What are the functionalities of jobtracker?
What's the best way to copy files between HDFS clusters?
What are watches?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
Explain the core components of hadoop?
How to write a Custom Key Class?
Can we have multiple entries in the master files?
Explain the hadoop-core configuration?
What is compute and Storage nodes?
What other technologies have you used in hadoop sta ck?