Hadoop General Interview Questions
Un-Answered Questions { Hadoop General }
Why we use intwritable instead of int? Why we use longwritable instead of long?
What is the difference between namenode and datanode in hadoop?
What are the configuration files in Hadoop?
Can I set the number of reducers to zero?
What is structured and unstructured data?
Which directory does hadoop install to?
Which one is default?
In which location name node sores its metadata and why?
Can you give a detailed overview about the Big Data being generated by Facebook?
What kind of hardware is best for hadoop?
How does hadoop achieve fault tolerance?
Explain what happens in text format?
What is a record reader?
What are the primary phases of the reducer?
Can you explain bloommapfile.
