What happens when two clients try to access the same file in the hdfs?
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How ordering in hdfs is finished?
What do you mean by the NameNode High Availability in hadoop?
What is the role of the namenode?
Can we write map reduce program in other than java programming language. How?
Mention what is the difference between an rdbms and hadoop?
What is Reducer in Hadoop?
What are the features of Pseudo mode?
Why cloudera is used?
What are the four basic parameters of a mapper?
Can you give a detailed overview about the Big Data being generated by Facebook?
What is a udf?
Explain the key benefits of using storm for real time processing?
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