Which data storage components are used by hadoop?
Explain InputFormat?
What does the command mapred.job.tracker do?
Explain use cases where SequenceFile class can be a good fit?
What problems can be addressed by using Zookeeper?
How can we change the split size if our commodity hardware has less storage space?
What do the master class and the output class do?
Explain the features of fully distributed mode?
What are the site-specific configuration files in Hadoop?
What is a Task instance in Hadoop? Where does it run?1
What is formatting of the dfs?
What is inputsplit in hadoop? Explain.
Define a namenode?