WHAT’S IN THIS CHAPTER?
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
The wrox.com code downloads for this chapter are found at www.wiley.com/go/prohadoopsolutions on the Download Code tab. The code is in the Chapter 9 download and individually named according to the names throughout the chapter.
So far in this the book, you have learned about how to use Hadoop for batch processing, which is very useful, but limited with regard to the number and types of problems that companies are trying to solve. Real-time access to Hadoop’s massive data storage and processing power will lead to an even more expanded use of this ecosystem.
“Real time” is one of those terms that means different things to different people and has different applications. It largely depends on the timing requirement imposed by the system’s consumers. In the context of this chapter, “real-time Hadoop” describes any Hadoop-based implementation ...