Can we change the file cached by distributed cache
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What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
Ideally what should be the block size in hadoop?
Why do the nodes are removed and added frequently in a hadoop cluster?
List out the some common problems faced by data analyst?
What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?
What is the difference between a hadoop database and relational database?
Explain Data Locality in Hadoop?
Mention what is rack awareness?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
What type of data hadoop can handle ?
Can we create a hadoop cluster from scratch?
Explain what is a sequence file in hadoop?
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