What is a Record Reader in hadoop?
Why do we need a password-less ssh in fully distributed environment?
Explain what happens in textinformat ?
How to enable recycle bin or trash in hadoop?
What is the purpose of button groups?
What is Safemode in Apache Hadoop?
what are the nodes in the Hadoop cluster?
Knox and Hadoop Development Tools?
How client application interacts with the NameNode?
Is map like a pointer?
What are the four characteristics of Big Data?
what is difference between int and intwritable?
What are the important differences between apache and hadoop?
Can we call vms as pseudos?
How to configure hadoop to reuse JVM for mappers?