Last updated on 2024年9月11日

How do you balance performance and quality in event driven and reactive systems?

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Event driven and reactive systems are becoming more popular in software development, as they offer advantages such as scalability, resilience, and responsiveness. However, they also pose challenges in terms of balancing performance and quality, as they involve complex interactions, asynchronous communication, and dynamic behavior. How do you ensure that your event driven and reactive systems deliver the expected results, while also meeting the requirements of speed, efficiency, and reliability? In this article, we will explore some best practices and tips that can help you achieve this balance.

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1 Understand the domain

The first step in designing and developing event driven and reactive systems is to understand the domain and the business logic behind it. You need to identify the key events, commands, queries, and responses that occur in your system, and how they relate to each other. You also need to define the boundaries and responsibilities of each component, service, or actor in your system, and how they collaborate and coordinate. By doing this, you can create a clear and consistent model of your system, and avoid unnecessary complexity and ambiguity.

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Vincent Vauban
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?? Understand the Domain: Grasp the key events, commands, queries, and responses. ?? Define Boundaries: Clarify component roles and interactions. ?? Ensure Coordination: Establish how components collaborate. ? Simplify: Create a clear, consistent system model, avoiding complexity.

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2 Choose the right tools

The next step is to choose the right tools and technologies that suit your system's needs and goals. There are many frameworks, libraries, and platforms that support event driven and reactive systems, such as Akka, Vert.x, Spring Boot, Kafka, RabbitMQ, and others. Each of them has its own strengths, weaknesses, and trade-offs, so you need to evaluate them carefully and compare them against your criteria. You also need to consider the compatibility, interoperability, and integration of the tools you use, and how they affect your system's performance and quality.

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Chris Aversano

Saving you time and costs with a rapid, no-code software solution | Founder & CEO at CodeBlox | Software Development | Custom | Single Dashboard | NO CODE & no development needed.
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Choosing the right tools is all about knowing what fits your system's unique needs. It’s not just about picking the most popular frameworks—it’s about finding what works best with your current setup and goals. Some tools might offer speed, while others give you flexibility. What matters is how well they integrate with the rest of your system. The tools you pick should simplify your process, not complicate it. It’s about making sure everything works together smoothly, so your system stays efficient and adaptable as it grows.

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Vincent Vauban
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?? Select Tools Wisely: Choose the best frameworks and platforms like Akka, Vert.x, Kafka, or RabbitMQ. ?? Evaluate Options: Weigh each tool's strengths, weaknesses, and trade-offs. ?? Ensure Compatibility: Consider how tools integrate and impact performance.

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3 Apply design patterns

Another step to enhancing system performance and quality is to apply design patterns and principles. Event sourcing is a pattern where the state of a system is stored as a sequence of events, allowing for reconstructing the state at any point in time, as well as auditing, replaying, and undoing features. CQRS is a pattern that separates read and write operations, optimizing performance and scalability while decoupling them. Saga is a pattern that implements long-running transactions or workflows as a series of events that can be compensated or reversed if something goes wrong. Lastly, the Reactive Manifesto is a set of principles that guide the design and build of systems that are responsive, resilient, elastic, and message-driven. These principles help achieve high performance, availability, and adaptability in the system while coping with changes and uncertainties.

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Vincent Vauban
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Use Patterns: Implement Event Sourcing, CQRS, and Saga for better performance: ? Event Sourcing: Store state as events for easy auditing. ?? CQRS: Boost performance by separating read/write operations. ?? Saga: Manage transactions with reversible events. ?? Reactive Manifesto: Build responsive, resilient, and adaptable systems.

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4 Test and monitor

The final step is to test and monitor your system regularly and thoroughly, and to use feedback and metrics to improve it. You need to use different types of testing, such as unit testing, integration testing, end-to-end testing, load testing, and stress testing, to verify the functionality, reliability, and performance of your system. You also need to use tools and techniques, such as logging, tracing, profiling, and alerting, to observe and measure the behavior, state, and health of your system. By doing this, you can identify and resolve issues, optimize resources, and enhance quality.

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5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How do you balance performance and quality in event driven and reactive systems?

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3

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1 Understand the domain

2 Choose the right tools

3 Apply design patterns

4 Test and monitor

5 Here’s what else to consider

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