Mention what is rack awareness?
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What is namenode?
What are the Hadoop features extended to its eco-system components ?
Define a sequence file in hadoop?
How can native libraries be included in yarn jobs?
In hadoop_pid_dir, what does pid stands for?
What are the important modes of hadoop?
Why is checkpointing important in hadoop?
How namenode handles data node failures?
How does hadoop achieve fault tolerance?
How to create a user in Hadoop?
What is the difference between TextinputFormat and KeyValueTextInputFormat class?
Can hadoop replace relational database?
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