What is NoSQL?
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More Apache Hadoop Interview Questions
What are different hdfs dfs shell commands to perform copy operation?
What is nlineoutputformat?
How client application interacts with the NameNode?
What is high availability in hadoop?
Why the name ‘hadoop’?
Explain what is the purpose of RecordReader in Hadoop?
Define a datanode?
How does NameNode tackle DataNode failures?
what are the nodes in the Hadoop cluster?
what are Task Tracker and Job Tracker?
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