Explain how jobtracker schedules a task?
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What do you understand by unit and ()in scala?
What is partitioning?
What is the difference between namenode and datanode in hadoop?
Is it possible to have hadoop job output in multiple directories?
Mention what does the text input format do?
Give examples of some companies that are using Hadoop structure?
Is it possible to provide multiple input to Hadoop? If yes then how?
What is the difference between TextinputFormat and KeyValueTextInputFormat class?
How can one check whether NameNode is working or not?
Explain small file problem in hadoop
What is replication factor?
Are job tracker and task trackers present in separate machines?
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