What is unstructured data?
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What is Schema on Read and Schema on Write?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
What exactly is hadoop?
Explain how can we change the split size if our commodity hardware has less storage space?
What are the functions of NameNode?
What is formatting of the dfs?
What is output format in hadoop?
What are different types of filesystem?
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
What happens in a textinputformat?
Why is hadoop faster?
How can you connect an application
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