Chapter 1. Introducing Akka
In this chapter
- Why scaling is hard
- Write once, scale anywhere
- Introduction to the actor programming model
- Akka actors
- What is Akka?
Up until the middle of the ’90s, just before the internet revolution, it was completely normal to build applications that would only ever run on a single computer, a single CPU. If an application wasn’t fast enough, the standard response would be to wait for a while for CPUs to get faster; no need to change any code. Problem solved. Programmers around the world were having a free lunch, and life was good.
In 2005 Herb Sutter wrote in Dr. Dobb’s Journal about the need for a fundamental change (link: http://www.gotw.ca/publications/concurrency-ddj.htm). In short: a limit to increasing ...
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