Hadoop Interview Questions and Answers
Prepare for your Interview today!
Hadoop is a distributed computing platform. It is written in Java. It consists of the features like Google File System and MapReduce.
Java 1.6.x or higher versions are good for Hadoop, preferably from Sun. Linux and Windows are the supported operating system for Hadoop, but BSD, Mac OS/X, and Solaris are more famous for working.
Hadoop can run on a dual processor/ dual core machines with 4-8 GB RAM using ECC memory. It depends on the workflow needs.
These are the most common input formats defined in Hadoop:
TextInputFormat is a by default input format.
The big data can be categorized using the following features:
Most helpful rated by users: