What are the main components of a Hadoop Application?
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In which location Name Node stores its Metadata and why?
Which files are used by the startup and shutdown commands?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
How to enable/configure the compression of map output data in hadoop?
What is the functionality of jobtracker in hadoop?
What are channel selectors?
How to enable recycle bin or trash in hadoop?
How does master slave architecture in the hadoop?
What is a heartbeat in HDFS?
Can hbase run without hadoop?
Where is the Mapper Output intermediate kay-value data stored ?
What is the problem with HDFS and streaming data like logs
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