Why would nosql be better than using a sql database? And how much better is it?
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Explain the key benefits of using storm for real time processing?
How can you set an arbitrary number of Reducers to be created for a job in Hadoop?
What do you understand by standalone (or local) mode?
Is it possible to have hadoop job output in multiple directories? If yes, how?
If datanodes increase, then do we need to upgrade namenode?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
When and how to create hadoop archive?
What is LazyOutputFormat in Hadoop?
What is the procedure for namenode recovery?
Do we need to place 2nd and 3rd data in rack 2 only?
Can we create a hadoop cluster from scratch?
How many daemon processes run on a hadoop cluster?
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