What is crontab? Explain with suitable example?
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What is your favourite tool in the hadoop ecosystem?
What is keyvaluetextinputformat?
Explain the use of tasktracker in the hadoop cluster?
On what basis Namenode will decide which datanode to write on?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What is a Task instance in Hadoop? Where does it run?1
What is the sequencefileinputformat in hadoop?
Does this lead to security issues?
What are the two main parts of the hadoop framework?
How we can take Hadoop out of Safe Mode?
What is NoSQL?
What is Hadoop Custom partitioner ?
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