Hadoop General Interview Questions
Un-Answered Questions { Hadoop General }
Explain how can we check whether namenode is working or not?
How to create hadoop archive?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
Who are ‘Data Scientists’?
What are the common types of NOSQL data bases ?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
What is heartbeat in hadoop?
How is the splitting of file invoked in Hadoop framework?
What is Distributed Cache in Hadoop?
What is structured and unstructured data?
Can I set the number of reducers to zero?
Mention what is data cleansing?
What is the use of recordreader in hadoop?
What is KeyValueTextInputFormat in Hadoop?
