Explain the wordcount implementation via hadoop framework ?
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What is the difference between Apache Hadoop and RDBMS?
What is structured data?
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Define a combiner?
Main Components of Hadoop?
What are the important differences between apache and hadoop?
What is Rack awareness?
How does NameNode tackle DataNode failures?
Explain what is the purpose of RecordReader in Hadoop?
what is meaning Replication factor?
What is the use of Combiner?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?