What is keyvaluetextinputformat?
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Where is the Mapper Output stored?
What are the core components of Apache Hadoop?
Mention what are the data components used by Hadoop?
Is secondary namenode a substitute to the namenode?
Define a job tracker?
Knox and Hadoop Development Tools?
What is Rack Awareness in Apache Hadoop?
Explain the basic architecture of Hadoop?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
On what basis Namenode will decide which datanode to write on?
Explain what happens in textinformat ?
What is Hadoop serialization?
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