Are you planning to pursue a career in Hadoop or looking out for a job opportunity in Hadoop? Here is list of Hadoop interview questions which covers HDFS
What is the difference between a Hadoop database and Relational Database?
Hadoop is not ...
Hadoop file system (fs) shell commands are used to perform various file operations like copying file, changing permissions, viewing the contents of the file, changing ownership of files, creating directories etc.
The syntax of fs shell command is
hadoop fs <args>
All the ...
Can you give us some examples how Hadoop is used in real time environment?
Let us assume that we have an exam consisting of 10 Multiple-choice questions and 20 students appear for that exam. Every student will attempt each question. For ...
To add new nodes to the cluster:
1. Add the network addresses of the new nodes to the include file.
Datanodes that are permitted to connect to the namenode are specified in a
file whose name is specified by the dfs.hosts property.
Includes file ...