Thursday, 8 August 2019

Spring boot - How to configure Jetty Server option using application.properties file?

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Guide to Jetty Configuration in Spring Boot

Managing your embedded server settings is a crucial part of developing Spring Boot applications. While Tomcat is the standard, Jetty is a high-performance alternative that is widely used in cloud-native environments. In this guide, we focus on how to use the application.properties file to fine-tune your Jetty server.

Why application.properties?

The application.properties file is the heart of Spring Boot configuration. It allows you to change server behavior without writing a single line of Java code. This "Externalized Configuration" makes your application portable and easy to manage across different environments like Dev, QA, and Production.

Common Jetty Properties

Once you have Jetty enabled in your project, you can use several server.jetty.* properties to control its behavior. Here are some of the most common ones you'll use:

# Set the HTTP port
server.port=8080

# Configure Jetty Thread Pool
server.jetty.threads.max=200
server.jetty.threads.min=8

# Control Access Logs
server.jetty.accesslog.enabled=true
server.jetty.accesslog.format=extended
        

Fine-Tuning for Performance

For high-traffic applications, you might want to adjust the idle-timeout or max-capacity. Jetty is highly scalable, and by properly setting these values in your properties file, you can ensure your application remains responsive under heavy load.

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