What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
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Explain the core components of hadoop?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
What are the hadoop's three configuration files?
What happens to a NameNode that has no data?
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
What are the site-specific configuration files in Hadoop?
What is the difference between HDFS and NAS ?
How to keep HDFS cluster balanced?
What are the stable versions of Hadoop?
What is the function of ApplicationMaster?
What is the Use of SSH in Hadoop ?
How many JVMs run on a slave node?
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