What is the difference between a hadoop database and relational database?
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What is Identity reducer?
Why do the nodes are removed and added frequently in a hadoop cluster?
What are the benefits yarn brings in to hadoop?
Ideally what should be replication factor in a Hadoop cluster?
Can you explain indexing?
Explain how Hadoop cluster hardware planning and provisioning is done?
What is KeyValueTextInputFormat in Hadoop?
How can we create a hadoop cluster from scratch?
Can I set the number of reducers to zero?
What is partitioning?
What happens when two clients try to access the same file in the hdfs?
What are the primary phases of the reducer?
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