Input Split & Record Reader and what they do?
How to resolve IOException: Cannot create directory
What is Apache Hadoop?
What should be the ideal replication factor in Hadoop Cluster?
Where do you specify the Mapper Implementation?
What is unstructured data?
Which files are used by the startup and shutdown commands?
Explain the use of tasktracker in the hadoop cluster?
Explain the master class and the output class do?
How can you connect an application
Define a job tracker?
What platform and java version are required to run hadoop?
What is the purpose of DataNode block scanner?