In this chapter, similar to the other chapters in this part of the book, we started with the layer where Apache Hadoop was discussed in detail. We then mapped the technology, namely Hadoop, to this layer. Once we named the technology, we went into detail on the Hadoop technology.
First of all, we gave reasons for choosing this technology and then got into its history, advantages, and disadvantages. Soon, we delved into Hadoop’s working by explaining both Hadoop 1.x and Hadoop 2.x architecture. Since we are using Hadoop 2.x, we explained Hadoop’s architecture components. We then looked at some of the very important components in Hadoop Ecosystem, and we will be using some of these in implementing our SVC use case.
We then delved into some of the other aspects of Hadoop, namely its distributions, HDFS, and its various formats and finally, various deployment modes. We then dived deep into...