What is the difference between Apache Hadoop and RDBMS?
What is HDFS Federation?
On what basis Namenode will decide which datanode to write on?
What is the difference between a Hadoop and Relational Database and Nosql?
What is a block and block scanner in HDFS?
Can you give us some more details about ssh communication between masters and the slaves?
What are different types of filesystem?
How can we check whether namenode is working or not?
What is DistributedCache and its purpose?
How can I install Cloudera VM in my system?
What are the different types of Znodes?
Explain what is the purpose of RecordReader in Hadoop?
What is yarn in hadoop?