Spring Boot内嵌容器支持Tomcat、Jetty、Undertow。为什么选择Undertow?
这里有一篇文章,时间 2017年1月26日发布的:
Tomcat vs. Jetty vs. Undertow: Comparison of Spring Boot Embedded Servlet Containers
这篇文章详细测试了Spring Boot应用在三种容器下的性能和内存使用,内含完整的测试代码和测试流程。证明了Undertow在性能和内存使用上是最好的。
在Spring Boot中使用 Undertow 而不是 Tomcat
1、Maven示例:
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-undertow</artifactId> </dependency>
2、配置Undertow,application.yml示例:
server.undertow.accesslog.dir= # Undertow access log directory. server.undertow.accesslog.enabled=false # Enable access log. server.undertow.accesslog.pattern=common # Format pattern for access logs. server.undertow.accesslog.prefix=access_log. # Log file name prefix. server.undertow.accesslog.rotate=true # Enable access log rotation. server.undertow.accesslog.suffix=log # Log file name suffix. server.undertow.buffer-size= # Size of each buffer in bytes. server.undertow.buffers-per-region= # Number of buffer per region. server.undertow.direct-buffers= # Allocate buffers outside the Java heap. server.undertow.io-threads= # Number of I/O threads to create for the worker. server.undertow.max-http-post-size=0 # Maximum size in bytes of the HTTP post content. server.undertow.worker-threads= # Number of worker threads.
3、使用 Undertow 监听多个端口示例:
@Bean public UndertowEmbeddedServletContainerFactory embeddedServletContainerFactory() { UndertowEmbeddedServletContainerFactory factory = new UndertowEmbeddedServletContainerFactory(); factory.addBuilderCustomizers(new UndertowBuilderCustomizer() { @Override public void customize(Builder builder) { builder.addHttpListener(8080, "0.0.0.0"); } }); return factory; }
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