Let's now see the internals of Hadoop and its components, it's architecture, and how it works in this section. We will start off by understanding some of Hadoop’s core architecture principles, and then we will explain its architecture and important components in detail.
Working of Hadoop
Hadoop core architecture principles
Hadoop was built and conceived with well-defined architecture goals and principles, as listed here, (the following are in no way authoritative as we can't find one; rather we gathered this from https://goo.gl/3nvERl):
- Linear scalability (Scale-Out rather than Scale-Up): Add more nodes for scalability to increase data storage and computing power.
- Bring code to data rather than data to code: In big data, data is usually...
