Book Image

Practical Microservices with Dapr and .NET

By : Davide Bedin
Book Image

Practical Microservices with Dapr and .NET

By: Davide Bedin

Overview of this book

Over the last decade, there has been a huge shift from heavily coded monolithic applications to finer, self-contained microservices. Dapr is a new, open source project by Microsoft that provides proven techniques and best practices for developing modern applications. It offers platform-agnostic features for running your applications on public cloud, on-premises, and even on edge devices. This book will help you get to grips with microservice architectures and how to manage application complexities with Dapr in no time. You'll understand how Dapr offers ease of implementation while allowing you to work with multiple languages and platforms. You'll also understand how Dapr's runtime, services, building blocks, and software development kits (SDKs) help you to simplify the creation of resilient and portable microservices. Dapr provides an event-driven runtime that supports the essential features you need to build microservices, including service invocation, state management, and publish/subscribe messaging. You'll explore all of those in addition to various other advanced features with this practical guide to learning Dapr. By the end of this book, you'll be able to write microservices easily using your choice of language or framework by implementing industry best practices to solve problems related to distributed systems.
Table of Contents (16 chapters)
1
Section 1: Introduction to Dapr
4
Section 2: Building Microservices with Dapr
10
Section 3: Deploying and Scaling Dapr Solutions

Load testing with Locust

Load testing is a practice in software development that's used to determine the performance of a complex system under load. This is generated by simulating the concurrent access of users. Load testing web resources, such as an API, usually requires multiple agents to be orchestrated, each with enough internet bandwidth and compute resources to simulate the activity of many users.

In our scenario, we plan to verify the performance and capabilities of our Biscotti Brutti Ma Buoni sample backend, implemented with Dapr and running on Kubernetes.

Locust is a popular open source load testing tool. It allows you to define a user's behavior with simple Python scripts and distribute these on as many worker nodes as needed, orchestrated by a master node. More information is available at https://locust.io/.

Important note

I learned about Locust from a GitHub repository (https://github.com/yorek/locust-on-azure) that was created by my colleague Davide...