Which command is used for the retrieval of the status of daemons running the hadoop cluster?
Are Namenode and job tracker on the same host?
How can we check whether namenode is working or not?
Which are the two types of 'writes' in HDFS?
Who is a 'user' in HDFS?
Command to format the NameNode?
What is the meaning of the term "non-DFS used" in Hadoop web-console?
What are the core components of Apache Hadoop?
Mention what is the number of default partitioner in Hadoop?
What is the InputFormat ?
What is HDFS block size and what did you chose in your project?
How many Daemon processes run on a Hadoop system?
Should we use RAID in Hadoop or not?