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How to restart NameNode or all the daemons in Hadoop?
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What is the most widely recognized info formats characterized in hadoop?
How many job tracker processes can run on a single Hadoop cluster?
How jobtracker assign tasks to the tasktracker?
Explain how do you overwrite replication factor?
What does the high availability of a name-node means? How is it accomplished?
Define a sequence file in hadoop?
Can we deploye job tracker other than name node?
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What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?
What is the difference between an inputsplit and a block?
Explain what is namenode in hadoop?
What is the key difference between NameNode and DataNode in Hadoop?
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