What are the four characteristics of Big Data?
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Explain the master class and the output class do?
What are watches?
Explain the overview of hadoop history breifly?
What is the sequencefileinputformat in hadoop?
What alternate way does HDFS provides to recover data in case a Namenode
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
Why password is needed in ssh localhost?
Command to format the NameNode?
What is rack-aware replica placement policy?
What is Distributed Cache?
what are the steps involved in decommissioning removing
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