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What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
Is hadoop the future?
What do you mean by taskinstance?
How to change Replication Factor For below cases ?
What happens in a textinputformat?
Is secondary namenode a substitute to the namenode?
What is compute and Storage nodes?
What is Input Split in hadoop?
Explain the overview of hadoop history breifly?
Explain why do we need hadoop?
Can you give us some more details about ssh communication between masters and the slaves?
Which files are used by the startup and shutdown commands?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
what are the steps involved in commissioning adding
Where is the Mapper Output intermediate kay-value data stored ?
