How do you define "block" in HDFS?
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What is the difference between traditional RDBMS and Hadoop?
How many JVMs run on a slave node?
How to restart Namenode?
What do you know about sequencefileinputformat?
Does hadoop always require digital data to process?
How client application interacts with the NameNode?
Is map like a pointer?
What is the difference between Apache Hadoop and RDBMS?
how to share the metastore within multiple users?
Are Namenode and job tracker on the same host?
Why do we use Hadoop?
What are the main components of a Hadoop Application?
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