Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
What do you understand from Node redundancy and is it exist in hadoop cluster?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
What is the problem with small files in Apache Hadoop?
How you can contact your client everyday ?
How does a namenode handle the failure of the data nodes?
What is the difference between a Hadoop and Relational Database and Nosql?
What is unstructured data?
Name the examples of some companies that are using hadoop structure?
Explain what is sqoop in Hadoop ?
What is the full form of fsck?
Does hadoop always require digital data to process?
What is the purpose of dfsadmin tool?
How to resolve small file problem in hdfs?
What is zookeeper in hadoop?
How to write a Custom Key Class?
