Explain what is namenode in hadoop?
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How to create the directory when name node is in safe mode?
How does job tracker schedule a job for the task tracker?
What are the most common OutputFormat in Hadoop?
What are the features of Pseudo mode?
What is Mapper in Hadoop?
Can you explain hadoop streaming?
What is the problem with small files in Hadoop?
Explain what is storage and compute nodes?
Where are Hadoop’s configuration files located?
What is the non dfs used?
Explain small file problem in hadoop
Why is checkpointing important in hadoop?
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