What are the modules that constitute the Apache Hadoop 2.0 framework?
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Main Components of Hadoop?
Mention what are the data components used by Hadoop?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
What is the meaning of speculative execution in Hadoop? Why is it important?
Is hadoop open source?
How do you categorize a big data?
What do sorting do?
What is zookeeper in hadoop?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What is the purpose of button groups?
How can I restart namenode?
How to change from su to cloudera?
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