Can you explain logistic regression?
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Can you explain record reader?
Name the most common input formats defined in hadoop?
Web-ui shows that half of the datanodes are in decommissioning mode. What does that mean? Is it safe to remove those nodes from the network?
Explain Data Locality in Hadoop?
What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?
What is difference between reducer and combiner?
What happens if number of reducers are 0?
Explain Erasure Coding in Hadoop?
Give me examples of unstructured data?
What is winutils hadoop?
How to create the directory when name node is in safe mode?
What is the use of recordreader in hadoop?
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