Explain the features of stand alone (local) mode?
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Define a datanode?
What does /var/hadoop/pids do?
In which location Name Node stores its Metadata and why?
What is the problem with HDFS and streaming data like logs
Explain the use of tasktracker in the hadoop cluster?
Whats is distributed cache in hadoop?
shouldn't DFS be able to handle large volumes of data already?
Explain how can we change the split size if our commodity hardware has less storage space?
Is map like a pointer?
What is Hadoop Custom partitioner ?
What are the modes in which Apache Hadoop run?
Explain a simple Map/Reduce problem.
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