What is a Record Reader in hadoop?
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Explain what happens in textinformat ?
how to share the metastore within multiple users?
What is a task instance in hadoop? Where does it run?
What are the important differences between apache and hadoop?
Is it necessary to write jobs for hadoop in the java language?
Explain the use of tasktracker in the hadoop cluster?
Explain the hadoop configuration files at present?
What is the relation between job and task in hadoop?
Define a job tracker?
What is the problem with HDFS and streaming data like logs
Explain the features of stand alone (local) mode?
What is a Combiner?
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