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What is the most widely recognized info formats characterized in hadoop?
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What is JobTracker?
Name the operating system(s) which are supported for production hadoop deployment?
If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?
How many daemon processes run on a hadoop cluster?
Define “speculative execution” in hadoop?
What is partitioning?
What is the difference between an inputsplit and a block?
What is NameNode? How NameNode tackle Datanode failures in Hadoop?
Explain how can we check whether namenode is working or not?
Mention what job does the conf class do?
What does jps command do in Hadoop?
How does speculative execution work in Hadoop?
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