What is the purpose of dfsadmin tool?
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What are the Basics of Hadoop?
when hadoop enter in safe mode?
Can hive run without hadoop?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
Can we call vms as pseudos?
What are the benefits of block transfer?
What is Disk Balancer in Apache Hadoop?
How many instances of a jobtracker run on hadoop cluster?
How client application interacts with the NameNode?
What is the purpose of dfsadmin tool?
How Mapper is instantiated in a running job?
Can Hadoop be compared to NOSQL database like Cassandra?