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ShenYu Optimize

Description#

  • This doc shows how to do performance optimization for Apache ShenYu.

Time Consumption#

  • Apache ShenYu is JVM driven and processing time for a single request is nearly between 1-3 ms.

Netty Optimization#

  • spring-webflux is one of dependencies of ShenYu, and it uses Netty in lower layer.
  • The demo down below demonstrates tuning ShenYu by customizing params in Netty.
@Bean public NettyReactiveWebServerFactory nettyReactiveWebServerFactory() {     NettyReactiveWebServerFactory webServerFactory = new NettyReactiveWebServerFactory();     webServerFactory.addServerCustomizers(new EventLoopNettyCustomizer());     return webServerFactory; }
private static class EventLoopNettyCustomizer implements NettyServerCustomizer {
    @Override    public HttpServer apply(final HttpServer httpServer) {        return httpServer                .tcpConfiguration(tcpServer -> tcpServer                        .runOn(LoopResources.create("shenyu-netty", 1, DEFAULT_IO_WORKER_COUNT, true), false)                        .selectorOption(ChannelOption.SO_REUSEADDR, true)                        .selectorOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)                        .option(ChannelOption.TCP_NODELAY, true)                        .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT));    }}
  • The shenyu-bootstrap module offers this class, you may modify it when benchmarking your app if necessary.
  • You can get references of business thread model from thread model