Tutorials Microservices with .NET

Saga in Notification Service — Complete Guide

Saga in Notification Service — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of Microservices with .NET on Toolliyo Academy.

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Microservices with .NET · Lesson 43 of 131

Saga in Notification Service

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Intermediate · 2 — Building services · ~6 min · Module 5: Saga and Distributed Transactions

What is this?

Saga in Notification Service is part of ShopNest Cloud-Native — how .NET teams split and connect services in production.

Why should you care?

You need Saga in Notification Service when moving from one API to many services that deploy independently.

See it live — copy this example

Create a Web API project (dotnet new webapi), paste the code, then run dotnet run.

// Saga in Notification Service
dotnet new webapi -n ShopNest.Service
// Apply this lesson pattern in Program.cs

Run Example »

This lesson uses terminal or setup steps. Run commands on your computer — the live editor appears on coding lessons.

What happened?

  • Read the example line by line.
  • Each part connects to Saga in Notification Service.

Try it yourself

  1. Create or open the ShopNest service project.
  2. Apply the pattern from this lesson.
  3. Run dotnet build && dotnet run.
  4. Change a string or route in the example and save — watch Swagger or the RabbitMQ Management UI update.
  5. Break the code on purpose (remove a semicolon), read the error message, then fix it.

Remember

You learned Saga in Notification Service in plain terms. Practice on ShopNest before moving on.

Interview prep for this lesson

Practice these questions aloud after reading—each links to a full structured answer.

Senior PDF Detailed
Distributed Transactions: Using Two-Phase Commit (2PC) or Sagas to ensure?
Short answer: that a transaction either commits or rolls back across multiple services. Real-world example (ShopNest) After payment succeeds, ShopNest publishes OrderPaid . Inventory and Notification services react indep…
Senior PDF Detailed
Saga Pattern: As mentioned earlier, this is the preferred way to manage distributed?
Short answer: transactions in microservices without locking resources or requiring a distributed transaction manager. Sagas break a transaction into smaller, manageable steps, with each microservice handling its own loca…
Mid PDF Detailed
SAGA Pattern:?
Short answer: Break a long-running transaction into smaller steps, where each step is a local transaction managed by a single microservice. Use compensation actions for each step to ensure consistency. Real-world example…
Mid PDF Detailed
Data Consistency: Since all services share the same database, it's easier to ensure?
Short answer: data consistency and avoid issues like eventual consistency. Real-world example (ShopNest) ShopNest splits Catalog, Cart, Order, and Payment into services so teams can deploy catalog changes without redeplo…
Mid PDF Detailed
Liveness Probe:?
Short answer: Used to determine if a service is alive and functioning. If the liveness probe fails, Kubernetes will restart the container. Example: A database connection check can be implemented as a liveness probe. Real…
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Microservices with .NET
Course syllabus

Microservices with .NET Tutorial

Module 1: Foundations and Fundamentals
Module 2: Building User Microservice
Module 3: ShopNest Services and Integration
Module 4: RabbitMQ and Messaging
Module 5: Saga and Distributed Transactions
Module 6: API Gateway
Module 7: gRPC, CQRS, and GraphQL
Module 8: Resiliency and Fault Tolerance
Module 9: DevOps and Cloud-Native
Module 10: Git and GitHub
Module 11: CI/CD Pipelines
Module 12: Observability and Testing
Module 13: Advanced Topics
Module 14: Real-World Enterprise Projects
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