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What is Identity reducer?
Can we use windows for hadoop?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
Mention what are the three modes in which hadoop can be run?
Give me the examples of Columnar database ?
What are the limitations of Hadoop?
What are the parameters of mappers and reducers?
Why slaves limited to 4000 in hadoop version 1?
Can you explain indexing?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
What is hadoop? Name the main components of a hadoop application?
Why does one remove or add nodes in a Hadoop cluster frequently?
What did mean by data-node?
What is meant by streaming access?
Which scala library is used for functional programming?
