Define a udf?
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What are the important modes of hadoop?
What are the major differences between Hadoop 2 and Hadoop 3?
Mention how many inputsplits is made by a hadoop framework?
Clarify what webdav is in hadoop?
Can you define inputsplit in hadoop?
What jobtracker is in hadoop? What are the activities followed by hadoop?
Can hadoop handle streaming data?
Explain Erasure Coding in Hadoop?
When and how to create hadoop archive?
List of the some best tools that can be useful for data-analysis?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
What is Combiner in Hadoop?
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