RestTemplate性能优化
小于 1 分钟SpringSpring Boot
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
/**
* @description: 高性能RestTemplate
* @author: xw
* @create: 2022-06-14 21:18
**/
@Configuration
public class RestTemplateConfig {
@Bean
public RestTemplate restTemplate(ClientHttpRequestFactory factory) {
return new RestTemplate(factory);
}
@Bean
public ClientHttpRequestFactory httpRequestFactory() {
return new HttpComponentsClientHttpRequestFactory(httpClient());
}
@Bean
public HttpClient httpClient() {
Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.getSocketFactory()).register("https", SSLConnectionSocketFactory.getSocketFactory()).build();
PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);
//设置整个连接池最大连接数
connectionManager.setMaxTotal(500);
//MaxPerRoute路由是对maxTotal的细分,每个主机的并发,这里route指的是域名
// 单域名最大并发数
connectionManager.setDefaultMaxPerRoute(200);
RequestConfig requestConfig = RequestConfig.custom()
//返回数据的超时时间
.setSocketTimeout(20000)
//连接上服务器的超时时间
.setConnectTimeout(10000)
//从连接池中获取连接的超时时间
.setConnectionRequestTimeout(1000).build();
return HttpClientBuilder.create().setDefaultRequestConfig(requestConfig).setConnectionManager(connectionManager).build();
}
}