What is the difference between a Hadoop and Relational Database and Nosql?
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What is partioner in hadoop? Where does it run,mapper or reducer?
What is hbase in hadoop?
How many instances of JobTracker can run on a Hadoop Cluser?
What are the problems with Hadoop 1.0?
Define a job tracker?
Why do we use Hadoop?
What is Partioner in hadoop? Where does it run
What do masters consist of?
Can the balancer be run while Hadoop is in use?
Can you give us some more details about ssh communication between masters and the slaves?
Explain the shuffle?
how would you modify that solution to only count the number of unique words in all the documents?