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?
What is Hadoop Custom partitioner ?
What are different types of filesystem?
Where do you specify the Mapper Implementation?
What is the use of combiners in the hadoop framework?
What is a spill factor with respect to the ram?
How to write a Custom Key Class?
What is InputSplit and RecordReader?
What are the different types of Znodes?
How would you tackle counting words in several text documents?
What will you do when NameNode is down?
Is secondary namenode a substitute to the namenode?
What is salary of hadoop developer?