What happens to job tracker when namenode is down?
How can I restart namenode?
What do masters consist of?
What if a namenode has no data?
Which are the three main hdfs-site.xml properties?
What is formatting of the dfs?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
Does this lead to security issues?
How to change from su to cloudera?
Why password is needed in ssh localhost?
What happens to a namenode, when job tracker is down?
What does the command mapred.job.tracker do?
How to come out of the insert mode?
What is the full form of fsck?
Why do we need a password-less ssh in fully distributed environment?