What are the port numbers of namenode?
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Compare Apache Hadoop and Apache Spark?
Can we create a hadoop cluster from scratch?
Can hadoop replace relational database?
What are the functionalities of jobtracer?
How would an hadoop administrator deploy various components of hadoop in production?
Why cloudera is used?
What is the role of the secondary namenode?
What type of data hadoop can handle ?
Explain small file problem in hadoop
Why would nosql be better than using a sql database? And how much better is it?
What are the different modes in which we can configure/install Hadoop?
What is the procedure for namenode recovery?
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