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  • 微服务-Feign性能调优3

    1: Feign的默认HTTP在近10S 时会主动断开。

     

    2: 原因是Feign的默认,AutoConfiguration文件为

    feign:
      hystrix:
        enabled: true
      httpclient:
        enabled: true
        #feign的最大连接数
        max-connections: 200
        #feign单个路径的最大连接数
        max-connections-per-route: 50
      compression:
        request:
          enable: true
          mime-types: text/xml,application/xml,application/json
          #大小压缩的限制,只有超过2M的请求数据才会进行压缩
          min-request-size: 2048
        response:
          enable: true


    @Import({ HttpClientFeignLoadBalancerConfiguration.class, OkHttpFeignLoadBalancerConfiguration.class,
    HttpClient5FeignLoadBalancerConfiguration.class, DefaultFeignLoadBalancerConfiguration.class })
    public class FeignLoadBalancerAutoConfiguration {

    }

    表意为, 选则一个Client作为Http的链接,
    HttpClientFeignLoadBalancerConfiguration  -》  ApacheHttpClient
    OkHttpFeignLoadBalancerConfiguration -》  OkHttpClient

    默认是 DefaultFeignLoadBalancerConfiguration -- 》 FeignBlockingLoadBalancerClient --》

    是使用的  HttpURLConnection   作的链接, 这个链接是使用一次就关闭了的。 但底层协议不一定关闭, 还是有一定程度的复用。  

    <dependency>
    <groupId>io.github.openfeign</groupId>
    <artifactId>feign-httpclient</artifactId>
    </dependency>
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  • 原文地址:https://www.cnblogs.com/liujianping/p/15236993.html
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