Saga Pattern — Spring Technical Interview Questions & Answers

Coordinating distributed transactions without 2PC.

Saga Pattern

  • Saga Pattern (micro) is a Spring topic. In plain words you use it for a short Saga Pattern micro example in a small REST app. Don’t start with a slogan — start with that picture.
  • Smallest example: the smallest Saga Pattern micro example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Saga Pattern (micro).
  • From the example next to this theory: Coordinating distributed transactions without 2PC.
  • Trap: only saying “Saga Pattern micro” with no example. Fix that before you talk about advanced Spring.
  • Viva: what is Saga Pattern (micro)? Then show the smallest Saga Pattern micro example you can type. Then name the trap.

Technical Interview Tip: What is Saga Pattern (micro)? Show this: the smallest Saga Pattern micro example you can type. Trap: only saying “Saga Pattern micro” with no example.

Code Examples for Saga Pattern

Saga Pattern — working example

// Topic: Saga Pattern
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
class TopicController {
  @GetMapping("/api/topic")
  String topic() {
    return "Spring Boot: Saga Pattern";
  }
}

Saga Pattern: GET /api/topic returns this title string.

How to Explain Saga Pattern to an Interviewer

What is Saga Pattern (micro)?

Used for a short Saga Pattern micro example a small REST app Not just the heading

Give one small example of Saga Pattern (micro).

the smallest Saga Pattern micro example you can type Coordinating distributed transactions without 2PC

What mistake do beginners make with Saga Pattern (micro)?

only saying “Saga Pattern micro” with no example Show the fix

Where do you use Saga Pattern (micro)?

a small REST app a short Saga Pattern micro example