Can we deploy job tracker other than name node?
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Why do the nodes are removed and added frequently in a hadoop cluster?
What type of data hadoop can handle ?
How many InputSplits will be made by hadoop framework?
What is difference between secondary namenode, checkpoint namenode & backupnode?
What are the important modes of hadoop?
Explain how Hadoop cluster hardware planning and provisioning is done?
How can you set an arbitrary number of mappers to be created for a job in Hadoop?
Compare Hadoop and RDBMS?
What is the key difference between NameNode and DataNode in Hadoop?
Where are Hadoop’s configuration files located?
Mention what does the text input format do?
What is difference between reducer and combiner?
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