What are the functionalities of jobtracer?
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What are the different modes in which we can configure/install Hadoop?
What is the role of the secondary namenode?
While starting hadoop services, datanode service is not running?
How would you restart NameNode?
Clarify what is sequence file input format?
What are the common types of NOSQL data bases ?
What are some of the characteristics of Hadoop framework?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
Define data cleansing?
What is job tracker in Hadoop?
Why is checkpointing important in hadoop?
Is there another way to check whether Namenode is working?
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