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Reactive Design Patterns by Roland Kuhn with Brian Hanafee and Jamie Allen

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Chapter 12. Fault tolerance and recovery patterns

In this chapter, you will learn how to incorporate the possibility of failure into the design of your application. We will demonstrate the patterns on the concrete use case of building a resilient computation engine that allows batch job submissions and their execution on elastically provisioned hardware resources. We will build on what you learned in chapters 6 and 7, so you may want to revisit them.

We will start by considering a single component and its failure and recovery strategies and then build up more-complex systems by means of hierarchical composition as well as client–server relationships. In particular, we will discuss the following patterns:

  • The Simple Component pattern (a.k.a. ...

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