What are the steps to submit a Hadoop job?
what are the nodes in the Hadoop cluster?
What are watches?
How do you define "block" in HDFS?
What do the master class and the output class do?
What is a Record Reader in hadoop?
what factors the block size takes before creation?
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
Why do we use Hadoop?
What is the meaning of the term "non-DFS used" in Hadoop web-console?
What is a Task instance in Hadoop? Where does it run?1
Can you give us some more details about ssh communication between masters and the slaves?
Is hadoop based on google mapreduce?