What are the four basic parameters of a mapper?
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What are the differences between hadoop 1 and hadoop 2?
How NameNode tackle Datanode failures in Hadoop?
Have you ever used counters in hadoop?
What are the different commands used to startup and shutdown Hadoop daemons?
What does the file hadoop-metrics.properties do?
What is the difference between an inputsplit and a block?
What is 'jps'?
How can one check whether NameNode is working or not?
What is meant by streaming access?
is there a standard procedure to deploy hadoop?
How many InputSplits will be made by hadoop framework?
Give me examples of unstructured data?
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