What do masters consist of?
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What is a secondary namenode?
What is partioner in hadoop? Where does it run,mapper or reducer?
What is formatting of the dfs?
What is the purpose of DataNode block scanner?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
Explain the features of stand alone (local) mode?
Define a datanode?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
How blocks are distributed among all data nodes for a particular chunk of data?
What are the most commonly defined input formats in Hadoop?
What are the main components of a Hadoop Application?
How to resolve IOException: Cannot create directory
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