Scala Reactive Programming

Understanding Let-it-Crash

Let-it-Crash is a Reactive Model/Technique or Reactive Design Pattern used as a Fault-Handling Technique. It's the default Fault-Handling Technique in Akka Toolkit. Let-it-Crash eases the development of Fault-Tolerant applications easily.

Let-it-Crash means Do your Business Logic (assigned Job). If something goes wrong, don't handle it. Just hand it over to someone to take the necessary action. Akka Toolkit supports this technique using Supervision.

In simple words, Let-it-Crash = Do what you can do, let someone handle the Fault.

Supervision is a technique to organize the Akka Actors into a hierarchy that means creating a Parent-Child Relationship between Actors. In Akka terminology, the Parent Actor is known as ...