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| REST over Servlet(WAR) |
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| Highway |
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| <a href="../config/read-config.html" class="md-nav__link"> |
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| |
| <span class="md-ellipsis"> |
| 在程序中读取配置信息 |
| </span> |
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| </a> |
| </li> |
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| |
| <li class="md-nav__item"> |
| <a href="../config/kie.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用Kie |
| </span> |
| |
| |
| </a> |
| </li> |
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| |
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| |
| <li class="md-nav__item"> |
| <a href="../config/nacos.html" class="md-nav__link"> |
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| |
| <span class="md-ellipsis"> |
| 使用Nacos |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../config/zookeeper.html" class="md-nav__link"> |
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| |
| <span class="md-ellipsis"> |
| 使用Zookeeper |
| </span> |
| |
| |
| </a> |
| </li> |
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| |
| <li class="md-nav__item"> |
| <a href="../config/apollo.html" class="md-nav__link"> |
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| |
| <span class="md-ellipsis"> |
| 使用Apollo |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../config/cse1.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 使用CSE1.0配置中心 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
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| |
| |
| </ul> |
| </nav> |
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| </li> |
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| <li class="md-nav__item md-nav__item--active md-nav__item--nested"> |
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| |
| <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_14" checked> |
| |
| |
| <label class="md-nav__link" for="__nav_14" id="__nav_14_label" tabindex="0"> |
| |
| |
| <span class="md-ellipsis"> |
| 服务治理功能参考 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_14_label" aria-expanded="true"> |
| <label class="md-nav__title" for="__nav_14"> |
| <span class="md-nav__icon md-icon"></span> |
| 服务治理功能参考 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
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| |
| <li class="md-nav__item"> |
| <a href="rule-governance.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 流量特征治理 |
| </span> |
| |
| |
| </a> |
| </li> |
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| |
| <li class="md-nav__item"> |
| <a href="governance-best-practise.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 流量特征治理最佳实践 |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="loadbalance.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 负载均衡 |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="ratelimit.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 限流 |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item md-nav__item--active"> |
| |
| <input class="md-nav__toggle md-toggle" type="checkbox" id="__toc"> |
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| |
| |
| <label class="md-nav__link md-nav__link--active" for="__toc"> |
| |
| |
| <span class="md-ellipsis"> |
| 灰度发布 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <a href="router.html" class="md-nav__link md-nav__link--active"> |
| |
| |
| <span class="md-ellipsis"> |
| 灰度发布 |
| </span> |
| |
| |
| </a> |
| |
| |
| |
| <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> |
| |
| |
| |
| |
| |
| |
| <label class="md-nav__title" for="__toc"> |
| <span class="md-nav__icon md-icon"></span> |
| Table of contents |
| </label> |
| <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix> |
| |
| <li class="md-nav__item"> |
| <a href="#_2" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 规则说明 |
| </span> |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#_3" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 匹配流程 |
| </span> |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#_4" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 异常情况的处理 |
| </span> |
| </a> |
| |
| </li> |
| |
| </ul> |
| |
| </nav> |
| |
| </li> |
| |
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| <li class="md-nav__item"> |
| <a href="fault-injection.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 故障注入 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
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| |
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| |
| <li class="md-nav__item"> |
| <a href="fail-retry.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 快速失败和重试 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
| </ul> |
| </nav> |
| |
| </li> |
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| <li class="md-nav__item md-nav__item--nested"> |
| |
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| <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_15" > |
| |
| |
| <label class="md-nav__link" for="__nav_15" id="__nav_15_label" tabindex="0"> |
| |
| |
| <span class="md-ellipsis"> |
| 网关功能参考 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_15_label" aria-expanded="false"> |
| <label class="md-nav__title" for="__nav_15"> |
| <span class="md-nav__icon md-icon"></span> |
| 网关功能参考 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../edge/open-service.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 介绍 |
| </span> |
| |
| |
| </a> |
| </li> |
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| |
| <li class="md-nav__item"> |
| <a href="../edge/by-servicecomb-sdk.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用 Edge Service 做网关 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
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| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="../edge/zuul.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用 `zuul` 和 `spring cloud gateway` 做网关 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../edge/nginx.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| nginx 网关简单介绍 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
| </ul> |
| </nav> |
| |
| </li> |
| |
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| <li class="md-nav__item md-nav__item--nested"> |
| |
| |
| |
| <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_16" > |
| |
| |
| <label class="md-nav__link" for="__nav_16" id="__nav_16_label" tabindex="0"> |
| |
| |
| <span class="md-ellipsis"> |
| 安全特性参考 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_16_label" aria-expanded="false"> |
| <label class="md-nav__title" for="__nav_16"> |
| <span class="md-nav__icon md-icon"></span> |
| 安全特性参考 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
| |
| |
| |
| |
| |
| |
| <li class="md-nav__item"> |
| <a href="publickey.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 公钥认证 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../security/tls.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用TLS通信 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
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| |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../security/shi-yong-rsa-ren-zheng.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用RSA认证 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
| </ul> |
| </nav> |
| |
| </li> |
| |
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| <li class="md-nav__item md-nav__item--nested"> |
| |
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| <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_17" > |
| |
| |
| <label class="md-nav__link" for="__nav_17" id="__nav_17_label" tabindex="0"> |
| |
| |
| <span class="md-ellipsis"> |
| 专题文章 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_17_label" aria-expanded="false"> |
| <label class="md-nav__title" for="__nav_17"> |
| <span class="md-nav__icon md-icon"></span> |
| 专题文章 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
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| |
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| |
| <li class="md-nav__item"> |
| <a href="../featured-topics/features.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 特性介绍 |
| </span> |
| |
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| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../featured-topics/secrets.html" class="md-nav__link"> |
| |
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| <span class="md-ellipsis"> |
| 技术解密 |
| </span> |
| |
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| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../featured-topics/upgrading.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 升级指导 |
| </span> |
| |
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| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../featured-topics/compatibility.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 兼容问题和兼容性策略 |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../featured-topics/performance.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 性能问题分析和调优 |
| </span> |
| |
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| </a> |
| </li> |
| |
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| </ul> |
| </nav> |
| |
| </li> |
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| <li class="md-nav__item md-nav__item--nested"> |
| |
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| <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_18" > |
| |
| |
| <label class="md-nav__link" for="__nav_18" id="__nav_18_label" tabindex="0"> |
| |
| |
| <span class="md-ellipsis"> |
| 常用配置项参考 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_18_label" aria-expanded="false"> |
| <label class="md-nav__title" for="__nav_18"> |
| <span class="md-nav__icon md-icon"></span> |
| 常用配置项参考 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../config-reference/rest-transport-client.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| REST Transport Client 配置项 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
| </ul> |
| </nav> |
| |
| </li> |
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| <li class="md-nav__item md-nav__item--nested"> |
| |
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| <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_19" > |
| |
| |
| <label class="md-nav__link" for="__nav_19" id="__nav_19_label" tabindex="0"> |
| |
| |
| <span class="md-ellipsis"> |
| 常见问题 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_19_label" aria-expanded="false"> |
| <label class="md-nav__title" for="__nav_19"> |
| <span class="md-nav__icon md-icon"></span> |
| 常见问题 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
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| |
| <li class="md-nav__item"> |
| <a href="../question-and-answer/faq.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| FAQ |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../question-and-answer/question_answer.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| Q & A |
| </span> |
| |
| |
| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../question-and-answer/interface-compatibility.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 微服务接口兼容常见问题 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
| </ul> |
| </nav> |
| |
| </li> |
| |
| |
| |
| </ul> |
| </nav> |
| </div> |
| </div> |
| </div> |
| |
| |
| |
| <div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" > |
| <div class="md-sidebar__scrollwrap"> |
| <div class="md-sidebar__inner"> |
| |
| |
| <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> |
| |
| |
| |
| |
| |
| |
| <label class="md-nav__title" for="__toc"> |
| <span class="md-nav__icon md-icon"></span> |
| Table of contents |
| </label> |
| <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix> |
| |
| <li class="md-nav__item"> |
| <a href="#_2" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 规则说明 |
| </span> |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#_3" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 匹配流程 |
| </span> |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#_4" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 异常情况的处理 |
| </span> |
| </a> |
| |
| </li> |
| |
| </ul> |
| |
| </nav> |
| </div> |
| </div> |
| </div> |
| |
| |
| |
| <div class="md-content" data-md-component="content"> |
| <article class="md-content__inner md-typeset"> |
| |
| |
| |
| |
| <h1 id="_1">灰度发布</h1> |
| <p>使用灰度发布可以实现版本的零中断升级。假设微服务A当前是v1版本,v1版本存在一个实例,现在需要升级到到v2版本。首先配置一个灰度 |
| 发布规则,将100%的流量指向v1版本;配置规则生效后,部署v2版本;v2版本启动完毕,配置10%的流量到v2版本;当v2版本 |
| 运行稳定,配置100%的流量到v2版本;停止v1版本的实例。</p> |
| <ul> |
| <li>前提条件:灰度发布依赖负载均衡管理模块, 参考<a href="loadbalance.html">负载均衡</a> 。 </li> |
| </ul> |
| <table> |
| <thead> |
| <tr> |
| <th>配置项名</th> |
| <th>描述</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td>servicecomb.routeRule.[targetService]</td> |
| <td>目标服务的路由管理规则</td> |
| </tr> |
| <tr> |
| <td>servicecomb.router.type</td> |
| <td>填写'router'</td> |
| </tr> |
| </tbody> |
| </table> |
| <p>灰度发布规则示例如下:</p> |
| <pre><code class="language-yaml">servicecomb: |
| router: |
| type: router |
| routeRule: |
| business: | |
| - precedence: 2 |
| match: |
| apiPath: |
| prefix: "/business/v2" |
| route: |
| - weight: 100 |
| tags: |
| version: 2.0.0 |
| - precedence: 1 |
| match: |
| apiPath: |
| prefix: "/business/v1/dec" |
| route: |
| - weight: 50 |
| tags: |
| version: 1.1.0 |
| - weight: 50 |
| tags: |
| version: 2.0.0 |
| |
| </code></pre> |
| <h4 id="_2">规则说明</h4> |
| <ul> |
| <li>匹配特定请求由match配置, match的配置逻辑和 <a href="governance.md">流量特征治理</a> 一致。</li> |
| <li>转发权重定义在routeRule.{targetServiceName}.route下,由weight配置,weight数值表示百分数,需要满足加和等于100,不满足100的部分会用最新版本填充。</li> |
| <li>服务分组定义在routeRule.{targetServiceName}.route下,由tags配置,配置内容有version和app。</li> |
| <li>优先级数量越大优先级越高。</li> |
| </ul> |
| <h4 id="_3">匹配流程</h4> |
| <p>对于上面的示例配置,所有访问provider服务的请求,首先尝试与优先级为2的第一个的match规则进行匹配 |
| header:header存在key为region的按照正则规则区分大小写匹配,存在key为type的进行字符串精准匹配。若匹配 |
| match成功则按照route的配置分配100%的流量到version和tags对应的实例。若匹配match失败则进入下个优先级为1的规则。不同规则优先级不能相等。</p> |
| <h4 id="_4">异常情况的处理</h4> |
| <p>如果因为规则配置错误,或者没有match到任何一条规则,流量会直接跳过灰度规则,相当于没有灰度发布配置。</p> |
| <p>如果已经匹配了match,因为对应的version或者tags找不到实例,则剩余流量自动转发到目前的最新版本。</p> |
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