Hadoop General Interview Questions
Un-Answered Questions { Hadoop General }
What is Identity reducer?
Why does one remove or add nodes in a Hadoop cluster frequently?
What is Federation?
How many daemon processes run on a hadoop cluster?
Which language is more suitable for text analytics? R or python?
What are the network requirements for hadoop?
Can we write map reduce program in other than java programming language. How?
Define a udf?
What happens in text format?
Define a sequence file in hadoop?
Explain the usage of Context Object?
Which database is used in hadoop?
What happen on the namenode when a client tries to read a data file?
What is the best practice to deploy the secondary name node?
List Hadoop’s three configuration files?
