What does job conf class do?
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What is the difference between Hadoop and Traditional RDBMS?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
What is partioner in hadoop? Where does it run,mapper or reducer?
What is the process to change the files at arbitrary locations in HDFS?
What is the purpose of RawComparator interface?
What is Schema on Read and Schema on Write?
Define a metadata?
What do masters consist of?
Explain what happens in textinformat ?
What is the difference between traditional RDBMS and Hadoop?
What is Hadoop Custom partitioner ?
Rack awareness of Namenode?