What are the four modules that make up the Apache Hadoop framework?
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What does the file hadoop-metrics.properties do?
What happen if number of reducer is set to 0 in Hadoop?
How analysis of Big Data is useful for organizations?
Explain the Single point of Failure in Hadoop?
What are the side effects of not running a secondary name node?
Can you explain rack awareness?
What are the most common InputFormats in Hadoop?
Explain the core methods of the reducer?
Define a sequence file in hadoop?
Can we write map reduce program in other than java programming language. How?
How would you check whether your NameNode is working or not?
Where are hadoop’s configuration files located and list them?
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