What is the use of context object?
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Can you explain sequence file in hadoop?
What is the basic difference between traditional RDBMS and Hadoop?
What is purpose of RecordWriter in Hadoop?
What daemons run on master nodes?
What is Small File Problem in Hadoop? How can it be resolved?
Where is hadoop-env.sh file present?
List some use cases where classification machine learning algorithms can be used.
What is the role of the secondary namenode?
How will you write a custom partitioner for a Hadoop job?
Mention what is the data storage component used by hadoop?
List of some best tools that can be useful for data-analysis?
How to do ‘map’ and ‘reduce’ works?
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