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What are the common types of NOSQL data bases ?
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Mention what are the most common input formats defined in hadoop?
Which modes can Hadoop be run in? List a few features for each mode?
What are the most common InputFormats in Hadoop?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
What is Identity reducer?
Which database is used in hadoop?
Why is Data Block size set to 128 MB in Hadoop?
Which object can be used to get the progress of a particular job
Mention what are the three modes in which hadoop can be run?
Can you explain hadoop streaming?
How is the splitting of file invoked in Hadoop framework?
What is a udf?
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