Explain how is hadoop different from other data processing tools?
What is the difference between Apache Hadoop and RDBMS?
Define a job tracker?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
If a data Node is full how it's identified?
Which is the best hadoop certification?
What is the relation between job and task in hadoop?
What are the four characteristics of Big Data?
How does a namenode handle the failure of the data nodes?
What do you know about nlineoutputformat?
What exactly is hadoop?
What are the most commonly defined input formats in Hadoop?
Explain the use of tasktracker in the hadoop cluster?