Is hadoop based on google mapreduce?
Is map like a pointer?
What is Your Cluster size ?
Input Split & Record Reader and what they do?
How would you tackle counting words in several text documents?
How does an hadoop application look like or their basic components?
what are Task Tracker and Job Tracker?
How many Daemon processes run on a Hadoop system?
What are channel selectors?
explain Metadata in Namenode?
On which port does ssh work?
What is the difference between Apache Hadoop and RDBMS?
What is HDFS - Hadoop Distributed File System?