How does an hadoop application look like or their basic components?
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Define streaming?
On what basis data will be stored on a rack?
What is the difference between traditional RDBMS and Hadoop?
What do you know by storage and compute node?
What is a 'block' in HDFS?
How many instances of a jobtracker run on hadoop cluster?
How blocks are distributed among all data nodes for a particular chunk of data?
What are the functionalities of jobtracker?
What is the full form of fsck?
Define a combiner?
Is hadoop open source?
What happens in a textinputformat?