List out the some common problems faced by data analyst?
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Explain map-only job?
Is there another way to check whether Namenode is working?
What are the features of Fully-Distributed mode?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
How is the splitting of file invoked in Hadoop ?
Explain how can you debug hadoop code?
How many maps are there in a particular job?
Name the most common Input Formats defined in Hadoop? Which one is default?
How will you write a custom partitioner for a Hadoop job?
How Big is ‘Big Data’?
What are the Features of Hadoop?
Explain what is a sequence file in hadoop?
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