What is a secondary namenode?
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Name the various types of lists supported by bootstrap.
Does the hdfs client decide the input split or namenode?
What is the difference between Hadoop and Traditional RDBMS?
On what basis data will be stored on a rack?
How can we look for the namenode in the browser?
Explain the shuffle?
How many instances of tasktracker run on a hadoop cluster?
explain Metadata in Namenode?
In which location Name Node stores its Metadata and why?
What is speculative execution in Hadoop?
Can we call vms as pseudos?
Who invented hadoop?
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