Is it possible to rename the output file, and if so, how?
Mention what is data cleansing?
Where are hadoop’s configuration files located and list them?
How is the splitting of file invoked in Hadoop ?
What is TextInputFormat in Hadoop?
What is the role of the secondary namenode?
While starting hadoop services, datanode service is not running?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
Why do we need hadoop for big data analytics?
What is a namenode?
Can you explain bloommapfile.
Which scala library is used for functional programming?
What is the hadoop-core configuration?
What is the difference between a hadoop database and relational database?
Is it possible to provide multiple input to Hadoop? If yes then how?