What do you know about keyvaluetextinputformat?
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What are the hadoop's three configuration files?
Define a job tracker?
Define a daemon?
How can I restart namenode?
What is Apache Hadoop YARN?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
How does master slave architecture in the hadoop?
What are combiners and its purpose?
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What exactly is hadoop?
Explain the hadoop-core configuration?
On which port does ssh work?
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