What is the difference between a Hadoop and Relational Database and Nosql?
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What is structured data?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
How does NameNode tackle DataNode failures?
In which location Name Node stores its Metadata and why?
What is Hadoop?
What is Apache Hadoop YARN?
Is fs.mapr.working.dir a single directory?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
Knox and Hadoop Development Tools?
What is a Record Reader in hadoop?
What will you do when NameNode is down?
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