content/references/java-chassis/zh_CN/transports/http2.html

<!DOCTYPE html> <html class="writer-html5" lang="en" > <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="shortcut icon" href="../img/favicon.ico" /> <title>REST over HTTP2 - ServiceComb Java Chassis 开发指南</title> <link rel="stylesheet" href="../css/theme.css" /> <link rel="stylesheet" href="../css/theme_extra.css" /> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.5.0/styles/github.min.css" /> <script> // Current page data var mkdocs_page_name = "REST over HTTP2"; var mkdocs_page_input_path = "transports/http2.md"; var mkdocs_page_url = null; </script> <script src="../js/jquery-3.6.0.min.js" defer></script>  <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.5.0/highlight.min.js"></script> <script>hljs.initHighlightingOnLoad();</script> </head> <body class="wy-body-for-nav" role="document"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side stickynav"> <div class="wy-side-scroll"> <div class="wy-side-nav-search"> <a href="../index.html" class="icon icon-home"> ServiceComb Java Chassis 开发指南 </a> </div> <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu"> <ul> <li class="toctree-l1"><a class="reference internal" href="../toc.html">目录</a> </li> </ul> <ul> <li class="toctree-l1"><a class="reference internal" href="../index.html">概述</a> </li> </ul> <ul> <li class="toctree-l1"><a class="reference internal" href="../start/catalog.html">快速入门</a> </li> </ul> <ul> <li class="toctree-l1"><a class="reference internal" href="../start/design.html">设计选型参考</a> </li> </ul> <ul> <li class="toctree-l1"><a class="reference internal" href="../build-provider/definition/service-definition.html">微服务定义</a> </li> </ul> <ul> <li class="toctree-l1"><a class="reference internal" href="../build-provider/catalog.html">开发服务提供者</a> </li> </ul> <ul> <li class="toctree-l1"><a class="reference internal" href="../build-consumer/catalog.html">开发服务消费者</a> </li> </ul> <ul> <li class="toctree-l1"><a class="reference internal" href="../general-development/catalog.html">通用功能开发</a> </li> </ul> <p class="caption"><span class="caption-text">多样化的通信协议功能参考</span></p> <ul class="current"> <li class="toctree-l1"><a class="reference internal" href="introduction.html">多协议介绍</a> </li> <li class="toctree-l1"><a class="reference internal" href="rest-over-servlet.html">REST over Servlet</a> </li> <li class="toctree-l1"><a class="reference internal" href="rest-over-vertx.html">REST over Vertx</a> </li> <li class="toctree-l1 current"><a class="reference internal current" href="http2.html">REST over HTTP2</a> <ul class="current"> <li class="toctree-l2"><a class="reference internal" href="#_1">场景描述</a> </li> <li class="toctree-l2"><a class="reference internal" href="#_2">外部服务通信配置</a> </li> <li class="toctree-l2"><a class="reference internal" href="#http2-server">http2 server 端配置项</a> </li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="highway-rpc.html">Highway</a> </li> </ul> <p class="caption"><span class="caption-text">多样化的服务注册与发现功能参考</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../registry/introduction.html">注册发现说明</a> </li> <li class="toctree-l1"><a class="reference internal" href="../registry/service-center.html">使用服务中心</a> </li> <li class="toctree-l1"><a class="reference internal" href="../registry/local-registry.html">本地注册发现</a> </li> <li class="toctree-l1"><a class="reference internal" href="../registry/distributed.html">去中心化注册发现</a> </li> </ul> <p class="caption"><span class="caption-text">管理服务配置</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../config/general-config.html">通用配置说明</a> </li> <li class="toctree-l1"><a class="reference internal" href="../config/read-config.html">在程序中读取配置信息</a> </li> </ul> <p class="caption"><span class="caption-text">服务治理功能参考</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/intruduction.html">处理链介绍</a> </li> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/loadbalance.html">负载均衡</a> </li> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/ratelimit.html">限流</a> </li> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/router.html">灰度发布</a> </li> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/fault-injection.html">故障注入</a> </li> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/governance.html">流量特征治理</a> </li> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/fail-retry.html">快速失败和重试</a> </li> </ul> <p class="caption"><span class="caption-text">网关功能参考</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../edge/open-service.html">介绍</a> </li> <li class="toctree-l1"><a class="reference internal" href="../edge/by-servicecomb-sdk.html">使用 Edge Service 做网关</a> </li> <li class="toctree-l1"><a class="reference internal" href="../edge/zuul.html">使用 `zuul` 和 `spring cloud gateway` 做网关</a> </li> <li class="toctree-l1"><a class="reference internal" href="../edge/nginx.html">nginx 网关简单介绍</a> </li> </ul> <p class="caption"><span class="caption-text">安全特性参考</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../references-handlers/publickey.html">公钥认证</a> </li> <li class="toctree-l1"><a class="reference internal" href="../security/tls.html">使用TLS通信</a> </li> <li class="toctree-l1"><a class="reference internal" href="../security/shi-yong-rsa-ren-zheng.html">使用RSA认证</a> </li> </ul> <p class="caption"><span class="caption-text">服务打包和运行</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../packaging/standalone.html">以standalone模式打包</a> </li> <li class="toctree-l1"><a class="reference internal" href="../packaging/web-container.html">以WEB容器模式打包</a> </li> </ul> <p class="caption"><span class="caption-text">专题文章</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../using-java-chassis-in-spring-boot/using-java-chassis-in-spring-boot.html">在Spring Boot中使用java chassis</a> </li> <li class="toctree-l1"><a class="reference internal" href="../featured-topics/features.html">新功能介绍系列文章</a> </li> <li class="toctree-l1"><a class="reference internal" href="../featured-topics/compatibility.html">兼容问题和兼容性策略</a> </li> <li class="toctree-l1"><a class="reference internal" href="../featured-topics/upgrading.html">升级指导系列文章</a> </li> <li class="toctree-l1"><a class="reference internal" href="../featured-topics/performance.html">性能问题分析和调优</a> </li> </ul> <p class="caption"><span class="caption-text">常用配置项参考</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../config-reference/rest-transport-client.html">REST Transport Client 配置项</a> </li> <li class="toctree-l1"><a class="reference internal" href="../config-reference/config-center-client.html">Config Center Client 配置项</a> </li> <li class="toctree-l1"><a class="reference internal" href="../config-reference/service-center-client.html">Service Center Client 配置项</a> </li> <li class="toctree-l1"><a class="reference internal" href="../config-reference/kie-client.html">ServiceComb Kie Client 配置项</a> </li> </ul> <p class="caption"><span class="caption-text">常见问题</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="../question-and-answer/faq.html">FAQ</a> </li> <li class="toctree-l1"><a class="reference internal" href="../question-and-answer/question_answer.html">Q & A</a> </li> <li class="toctree-l1"><a class="reference internal" href="../question-and-answer/interface-compatibility.html">微服务接口兼容常见问题</a> </li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" role="navigation" aria-label="Mobile navigation menu"> <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="../index.html">ServiceComb Java Chassis 开发指南</a> </nav> <div class="wy-nav-content"> <div class="rst-content"><div role="navigation" aria-label="breadcrumbs navigation"> <ul class="wy-breadcrumbs"> <li><a href="../index.html" class="icon icon-home" alt="Docs"></a> »</li> <li>多样化的通信协议功能参考 »</li> <li>REST over HTTP2</li> <li class="wy-breadcrumbs-aside"> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div class="section" itemprop="articleBody"> <h1 id="rest-over-http2">REST over Http2</h1> <h2 id="_1">场景描述</h2> <p>用户通过简单的配置即可启用Http2进行通信，提高性能。</p> <h2 id="_2">外部服务通信配置</h2> <p>与外部服务通信相关的配置写在microservice.yaml文件中。</p> <ul> <li> <p>启用h2(Http2 + TLS)进行通信<br /> 服务端在配置服务监听地址时，可以通过在地址后面追加<code>sslEnabled=true</code>开启TLS通信，具体介绍见<a href="../security/tls.html">使用TLS通信</a>章节。然后再追加<code>protocol=http2</code>启用h2通信。示例如下：</p> <pre><code>servicecomb: rest: address: 0.0.0.0:8080?sslEnabled=true&protocol=http2 </code></pre> </li> <li> <p>启用h2c(Http2 without TLS)进行通信<br /> 服务端在配置服务监听地址时，可以通过在地址后面追加<code>protocol=http2</code>启用h2c通信。示例如下：</p> <pre><code>servicecomb: rest: address: 0.0.0.0:8080?protocol=http2 </code></pre> </li> <li> <p>客户端会通过从服务中心读取服务端地址中的配置来使用http2进行通信。 </p> </li> </ul> <h2 id="http2-server">http2 server 端配置项</h2> <table> <thead> <tr> <th>配置项</th> <th>默认值</th> <th>含义</th> <th>注意</th> </tr> </thead> <tbody> <tr> <td>servicecomb.rest.server.http2.useAlpnEnabled</td> <td>true</td> <td>是否启用 ALPN</td> <td></td> </tr> <tr> <td>servicecomb.rest.server.http2.concurrentStreams</td> <td>100</td> <td>一条连接中，同时支持的最大的stream并发量</td> <td>以server端的concurrentStreams和client端的multiplexingLimit较小值为准</td> </tr> <tr> <td>servicecomb.rest.server.http2.HeaderTableSize</td> <td>4096</td> <td></td> <td></td> </tr> <tr> <td>servicecomb.rest.server.http2.pushEnabled</td> <td>true</td> <td></td> <td></td> </tr> <tr> <td>servicecomb.rest.server.http2.initialWindowSize</td> <td>65535</td> <td></td> <td></td> </tr> <tr> <td>servicecomb.rest.server.http2.maxFrameSize</td> <td>16384</td> <td></td> <td></td> </tr> <tr> <td>servicecomb.rest.server.http2.maxHeaderListSize</td> <td>Integer.MAX_VALUE</td> <td></td> <td></td> </tr> <tr> <td>servicecomb.Provider.requestWaitInPoolTimeout${op-priority}</td> <td>30000</td> <td>在同步线程中排队等待执行的超时时间，单位为毫秒</td> <td></td> </tr> <tr> <td>servicecomb.rest.server.requestWaitInPoolTimeout</td> <td>30000</td> <td>同servicecomb.Provider.requestWaitInPoolTimeout${op-priority}, 该配置项优先级更高。</td> <td></td> </tr> </tbody> </table> </div> </div><footer> <div class="rst-footer-buttons" role="navigation" aria-label="Footer Navigation"> <a href="rest-over-vertx.html" class="btn btn-neutral 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