What is the best practice to deploy the secondary name node?
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What is LazyOutputFormat in Hadoop?
What is the difference between namenode and datanode in hadoop?
Can you give some examples of Big Data?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
What is the most widely recognized info formats characterized in hadoop?
What is a commodity hardware? Does commodity hardware include RAM?
How many datanodes can run on a single Hadoop cluster?
What is the default replication factor in Hadoop and how will you change it?
What are the side data distribution techniques?
Can you explain sequence file in hadoop?
What is a Backup node in Hadoop?
Explain small file problem in hadoop
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