具体参数大小根据自己系统评估。

1、gateway

gateway采用的是netty容器，添加如下配置。

server:
  netty:
    connection-timeout: 5000
spring:
  cloud:
    gateway:
      httpclient:
        connect-timeout: 5000
        pool:
          # 最大连接数
          max-connections: 200
          # 获取连接的超时时间
          acquire-timeout: 5000
          type: fixed

2、nacos

server.tomcat.connection-timeout=5000
server.tomcat.max-connections=200
server.tomcat.max-threads=100

3、springboot tomcat

server:
  tomcat:
    threads:
      max: 200
      min-spare: 30
    max-swallow-size: -1
    acceptCount: 100
    connection-timeout: 5000
    max-connections: 500