Can you give us some more details about ssh communication between masters and the slaves?
How does master slave architecture in the hadoop?
What is safe mode in Hadoop?
What are the hadoop's three configuration files?
How Mapper is instantiated in a running job?
Is hadoop the future?
What is a Task instance in Hadoop? Where does it run?1
What are the two main components of ResourceManager?
How to enable recycle bin or trash in hadoop?
How a task is scheduled by a jobtracker?
On what basis name node distribute blocks across the data nodes?
Mention what is the use of Context Object?
What is zookeeper in hadoop?
Where is the Mapper Output intermediate kay-value data stored ?
Is map like a pointer?