How is the distance between two nodes defined in Hadoop?
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What is compute and Storage nodes?
What is a heartbeat in HDFS?
What is Writable & WritableComparable interface?
What are sink processors?
How would you tackle counting words in several text documents?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
How to restart Namenode?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
Define a metadata?
Does hadoop always require digital data to process?
What are different types of filesystem?
What do you know about nlineoutputformat?
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