What is the difference between a Hadoop and Relational Database and Nosql?
What is InputSplit and RecordReader?
How does NameNode tackle DataNode failures?
What is the purpose of dfsadmin tool?
Explain why the name ‘hadoop’?
How can you connect an application
Is hadoop based on google mapreduce?
What do you mean by taskinstance?
What is the port number for NameNode
how is a file of the size 1 GB uncompressed
What is the sequencefileinputformat in hadoop?
Define a datanode?
Why is Apache Spark faster than Apache Hadoop?