Where is the Mapper Output intermediate kay-value data stored ?
What exactly is hadoop?
What are the hadoop's three configuration files?
explain Metadata in Namenode?
What is Rack awareness?
What are channel selectors?
Are Namenode and job tracker on the same host?
Is map like a pointer?
What is Disk Balancer in Apache Hadoop?
What is IdentityMapper?
What is the heartbeat used for?
Explain the benefits of block transfer?
What is Hadoop?