What is distributed copy (distcp)?
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What does secondary name-node means?
What are the hadoop configuration files at present?
How is security achieved in Hadoop?
What a task tracker is in hadoop?
For using hadoop list the network requirements?
Mention what is the data storage component used by hadoop?
What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?
List of some best tools that can be useful for data-analysis?
How will you write a custom partitioner for a Hadoop job?
How Hadoop is cost-effective?
What is Chain Mapper?
What is active and passive NameNode in Hadoop?
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