Optimizing AWS EventBridge - Default vs. Custom Event Buses and Best Practices

Optimizing AWS EventBridge: Default vs. Custom Event Buses and Best Practices Introduction Amazon EventBridge is a powerful service for routing AWS events to different targets. But many users wonder: Should I use the default event bus or a custom one? Does having many rules cause issues? In this guide, we'll answer these questions and provide best practices for managing EventBridge efficiently. 1. Default vs. Custom Event Bus: Which One Should You Use? ✅ Default Event Bus (Best for AWS Services) AWS automatically creates the default event bus in every region. Use it when you need to capture AWS service events, like EC2 state changes, S3 object creation, or Lambda executions.

Mar 7, 2025 - 23:39
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Optimizing AWS EventBridge - Default vs. Custom Event Buses and Best Practices

Optimizing AWS EventBridge: Default vs. Custom Event Buses and Best Practices

Introduction

Amazon EventBridge is a powerful service for routing AWS events to different targets. But many users wonder: Should I use the default event bus or a custom one? Does having many rules cause issues? In this guide, we'll answer these questions and provide best practices for managing EventBridge efficiently.

1. Default vs. Custom Event Bus: Which One Should You Use?

✅ Default Event Bus (Best for AWS Services)

AWS automatically creates the default event bus in every region. Use it when you need to capture AWS service events, like EC2 state changes, S3 object creation, or Lambda executions.