What is commodity hardware?
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Define tasktracker.
What is Partioner in hadoop? Where does it run
How many instances of JobTracker can run on a Hadoop Cluser?
What if rack 2 and datanode fails?
Can hbase run without hadoop?
What are the additional benefits YARN brings in to Hadoop?
Explain the features of fully distributed mode?
What do you know about nlineoutputformat?
What does /var/hadoop/pids do?
What is inputformat in hadoop?
how can we change Replication Factor?
Why are the number of splits equal to the number of maps?
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