What are the features of Standalone (local) mode?
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What happen if a datanode loses network connection for a few minutes?
Specify what the information segments utilized by hadoop are?
What is difference between reducer and combiner?
What is Distributed Cache in Hadoop?
What is KeyValueTextInputFormat in Hadoop?
What are the different commands used to startup and shutdown Hadoop daemons?
What sorts of actions does the job tracker process perform?
What is job tracker in Hadoop?
What is Balancer in Hadoop?
Why cloudera is used?
What are the Hadoop features extended to its eco-system components ?
Mention what is rack awareness?
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