How many Daemon processes run on a Hadoop system?
what is the default replication factor in HDFS?
How to come out of the insert mode?
On which port does ssh work?
Why do we use Hadoop?
What is a namenode? How many instances of namenode run on a hadoop cluster?
What is output format in hadoop?
What do you understand from Node redundancy and is it exist in hadoop cluster?
What is Your Cluster size ?
what is meaning Replication factor?
What are different types of filesystem?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What is speculative execution in Hadoop?