What is the Use of SSH in Hadoop ?
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Define a job tracker?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
Is map like a pointer?
How is security achieved in Apache Hadoop?
What is version-id mismatch error in hadoop?
What is Input Split in hadoop?
What are the modes in which Apache Hadoop run?
What do you know about keyvaluetextinputformat?
What is partioner in hadoop? Where does it run,mapper or reducer?
What is Apache Hadoop?
Can we have multiple entries in the master files?
Explain the benefits of block transfer?
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