What is a 'block' in HDFS?
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Does hadoop always require digital data to process?
What is Disk Balancer in Apache Hadoop?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Can Hadoop be compared to NOSQL database like Cassandra?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What is the main purpose of HDFS fsck command?
What are the default configuration files that are used in hadoop?
Can we call vms as pseudos?
On What concept the Hadoop framework works?
What are the two main parts of the hadoop framework?
What is the heartbeat used for?
How will you make changes to the default configuration files?