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| <label for=m-zh-cndocsadvancedgroup-merger-check><a href=/zh-cn/docs/advanced/group-merger/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedgroup-merger><span>分组聚合</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedparameter-validation-li><input type=checkbox id=m-zh-cndocsadvancedparameter-validation-check> |
| <label for=m-zh-cndocsadvancedparameter-validation-check><a href=/zh-cn/docs/advanced/parameter-validation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedparameter-validation><span>参数验证</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedresult-cache-li><input type=checkbox id=m-zh-cndocsadvancedresult-cache-check> |
| <label for=m-zh-cndocsadvancedresult-cache-check><a href=/zh-cn/docs/advanced/result-cache/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedresult-cache><span>结果缓存</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedgeneric-reference-li><input type=checkbox id=m-zh-cndocsadvancedgeneric-reference-check> |
| <label for=m-zh-cndocsadvancedgeneric-reference-check><a href=/zh-cn/docs/advanced/generic-reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedgeneric-reference><span>使用泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedprotobuf-idl-li><input type=checkbox id=m-zh-cndocsadvancedprotobuf-idl-check> |
| <label for=m-zh-cndocsadvancedprotobuf-idl-check><a href=/zh-cn/docs/advanced/protobuf-idl/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedprotobuf-idl><span>Protobuf</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedpb-generic-reference-li><input type=checkbox id=m-zh-cndocsadvancedpb-generic-reference-check> |
| <label for=m-zh-cndocsadvancedpb-generic-reference-check><a href=/zh-cn/docs/advanced/pb-generic-reference/ title="GoogleProtobuf 对象泛化调用" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedpb-generic-reference><span>Protobuf 泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedgeneric-service-li><input type=checkbox id=m-zh-cndocsadvancedgeneric-service-check> |
| <label for=m-zh-cndocsadvancedgeneric-service-check><a href=/zh-cn/docs/advanced/generic-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedgeneric-service><span>实现泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedecho-service-li><input type=checkbox id=m-zh-cndocsadvancedecho-service-check> |
| <label for=m-zh-cndocsadvancedecho-service-check><a href=/zh-cn/docs/advanced/echo-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedecho-service><span>回声测试</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedcontext-li><input type=checkbox id=m-zh-cndocsadvancedcontext-check> |
| <label for=m-zh-cndocsadvancedcontext-check><a href=/zh-cn/docs/advanced/context/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedcontext><span>上下文信息</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedattachment-li><input type=checkbox id=m-zh-cndocsadvancedattachment-check> |
| <label for=m-zh-cndocsadvancedattachment-check><a href=/zh-cn/docs/advanced/attachment/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedattachment><span>隐式参数</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedasync-call-li><input type=checkbox id=m-zh-cndocsadvancedasync-call-check> |
| <label for=m-zh-cndocsadvancedasync-call-check><a href=/zh-cn/docs/advanced/async-call/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedasync-call><span>异步调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedasync-execute-on-provider-li><input type=checkbox id=m-zh-cndocsadvancedasync-execute-on-provider-check> |
| <label for=m-zh-cndocsadvancedasync-execute-on-provider-check><a href=/zh-cn/docs/advanced/async-execute-on-provider/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedasync-execute-on-provider><span>异步执行</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedlocal-call-li><input type=checkbox id=m-zh-cndocsadvancedlocal-call-check> |
| <label for=m-zh-cndocsadvancedlocal-call-check><a href=/zh-cn/docs/advanced/local-call/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedlocal-call><span>本地调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedcallback-parameter-li><input type=checkbox id=m-zh-cndocsadvancedcallback-parameter-check> |
| <label for=m-zh-cndocsadvancedcallback-parameter-check><a href=/zh-cn/docs/advanced/callback-parameter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedcallback-parameter><span>参数回调</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedauth-li><input type=checkbox id=m-zh-cndocsadvancedauth-check> |
| <label for=m-zh-cndocsadvancedauth-check><a href=/zh-cn/docs/advanced/auth/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedauth><span>服务鉴权</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedevents-notify-li><input type=checkbox id=m-zh-cndocsadvancedevents-notify-check> |
| <label for=m-zh-cndocsadvancedevents-notify-check><a href=/zh-cn/docs/advanced/events-notify/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedevents-notify><span>事件通知</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedlocal-stub-li><input type=checkbox id=m-zh-cndocsadvancedlocal-stub-check> |
| <label for=m-zh-cndocsadvancedlocal-stub-check><a href=/zh-cn/docs/advanced/local-stub/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedlocal-stub><span>本地存根</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedlocal-mock-li><input type=checkbox id=m-zh-cndocsadvancedlocal-mock-check> |
| <label for=m-zh-cndocsadvancedlocal-mock-check><a href=/zh-cn/docs/advanced/local-mock/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedlocal-mock><span>本地伪装</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvanceddelay-publish-li><input type=checkbox id=m-zh-cndocsadvanceddelay-publish-check> |
| <label for=m-zh-cndocsadvanceddelay-publish-check><a href=/zh-cn/docs/advanced/delay-publish/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvanceddelay-publish><span>延迟暴露</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconcurrency-control-li><input type=checkbox id=m-zh-cndocsadvancedconcurrency-control-check> |
| <label for=m-zh-cndocsadvancedconcurrency-control-check><a href=/zh-cn/docs/advanced/concurrency-control/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconcurrency-control><span>并发控制</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconfig-connections-li><input type=checkbox id=m-zh-cndocsadvancedconfig-connections-check> |
| <label for=m-zh-cndocsadvancedconfig-connections-check><a href=/zh-cn/docs/advanced/config-connections/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconfig-connections><span>连接控制</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedlazy-connect-li><input type=checkbox id=m-zh-cndocsadvancedlazy-connect-check> |
| <label for=m-zh-cndocsadvancedlazy-connect-check><a href=/zh-cn/docs/advanced/lazy-connect/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedlazy-connect><span>延迟连接</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedstickiness-li><input type=checkbox id=m-zh-cndocsadvancedstickiness-check> |
| <label for=m-zh-cndocsadvancedstickiness-check><a href=/zh-cn/docs/advanced/stickiness/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedstickiness><span>粘滞连接</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedtls-li><input type=checkbox id=m-zh-cndocsadvancedtls-check> |
| <label for=m-zh-cndocsadvancedtls-check><a href=/zh-cn/docs/advanced/tls/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedtls><span>TLS</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedtoken-authorization-li><input type=checkbox id=m-zh-cndocsadvancedtoken-authorization-check> |
| <label for=m-zh-cndocsadvancedtoken-authorization-check><a href=/zh-cn/docs/advanced/token-authorization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedtoken-authorization><span>令牌验证</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedrouting-rule-li><input type=checkbox id=m-zh-cndocsadvancedrouting-rule-check> |
| <label for=m-zh-cndocsadvancedrouting-rule-check><a href=/zh-cn/docs/advanced/routing-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedrouting-rule><span>路由规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedrouting-rule-deprecated-li><input type=checkbox id=m-zh-cndocsadvancedrouting-rule-deprecated-check> |
| <label for=m-zh-cndocsadvancedrouting-rule-deprecated-check><a href=/zh-cn/docs/advanced/routing-rule-deprecated/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedrouting-rule-deprecated><span>旧路由规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconfig-rule-li><input type=checkbox id=m-zh-cndocsadvancedconfig-rule-check> |
| <label for=m-zh-cndocsadvancedconfig-rule-check><a href=/zh-cn/docs/advanced/config-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconfig-rule><span>配置规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedservice-downgrade-li><input type=checkbox id=m-zh-cndocsadvancedservice-downgrade-check> |
| <label for=m-zh-cndocsadvancedservice-downgrade-check><a href=/zh-cn/docs/advanced/service-downgrade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedservice-downgrade><span>服务降级</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconfig-rule-deprecated-li><input type=checkbox id=m-zh-cndocsadvancedconfig-rule-deprecated-check> |
| <label for=m-zh-cndocsadvancedconfig-rule-deprecated-check><a href=/zh-cn/docs/advanced/config-rule-deprecated/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconfig-rule-deprecated><span>旧配置规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconsumer-threadpool-li><input type=checkbox id=m-zh-cndocsadvancedconsumer-threadpool-check> |
| <label for=m-zh-cndocsadvancedconsumer-threadpool-check><a href=/zh-cn/docs/advanced/consumer-threadpool/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconsumer-threadpool><span>消费端线程池模型</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedgraceful-shutdown-li><input type=checkbox id=m-zh-cndocsadvancedgraceful-shutdown-check> |
| <label for=m-zh-cndocsadvancedgraceful-shutdown-check><a href=/zh-cn/docs/advanced/graceful-shutdown/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedgraceful-shutdown><span>优雅停机</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedhostname-binding-li><input type=checkbox id=m-zh-cndocsadvancedhostname-binding-check> |
| <label for=m-zh-cndocsadvancedhostname-binding-check><a href=/zh-cn/docs/advanced/hostname-binding/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedhostname-binding><span>主机绑定</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedset-host-li><input type=checkbox id=m-zh-cndocsadvancedset-host-check> |
| <label for=m-zh-cndocsadvancedset-host-check><a href=/zh-cn/docs/advanced/set-host/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedset-host><span>主机配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedsimplify-registry-data-li><input type=checkbox id=m-zh-cndocsadvancedsimplify-registry-data-check> |
| <label for=m-zh-cndocsadvancedsimplify-registry-data-check><a href=/zh-cn/docs/advanced/simplify-registry-data/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedsimplify-registry-data><span>注册信息简化</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedlogger-strategy-li><input type=checkbox id=m-zh-cndocsadvancedlogger-strategy-check> |
| <label for=m-zh-cndocsadvancedlogger-strategy-check><a href=/zh-cn/docs/advanced/logger-strategy/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedlogger-strategy><span>日志适配</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedaccesslog-li><input type=checkbox id=m-zh-cndocsadvancedaccesslog-check> |
| <label for=m-zh-cndocsadvancedaccesslog-check><a href=/zh-cn/docs/advanced/accesslog/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedaccesslog><span>访问日志</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedservice-container-li><input type=checkbox id=m-zh-cndocsadvancedservice-container-check> |
| <label for=m-zh-cndocsadvancedservice-container-check><a href=/zh-cn/docs/advanced/service-container/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedservice-container><span>服务容器</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsmigration-li><input type=checkbox id=m-zh-cndocsmigration-check> |
| <label for=m-zh-cndocsmigration-check><a href=/zh-cn/docs/migration/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsmigration><span>升级与兼容性</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-and-compatibility-guide-li><input type=checkbox id=m-zh-cndocsmigrationmigration-and-compatibility-guide-check> |
| <label for=m-zh-cndocsmigrationmigration-and-compatibility-guide-check><a href=/zh-cn/docs/migration/migration-and-compatibility-guide/ title="3.x 升级与兼容性指南" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-and-compatibility-guide><span>总结</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-service-discovery-li><input type=checkbox id=m-zh-cndocsmigrationmigration-service-discovery-check> |
| <label for=m-zh-cndocsmigrationmigration-service-discovery-check><a href=/zh-cn/docs/migration/migration-service-discovery/ title=应用级地址发现迁移指南 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-service-discovery><span>应用级地址发现</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-triple-li><input type=checkbox id=m-zh-cndocsmigrationmigration-triple-check> |
| <label for=m-zh-cndocsmigrationmigration-triple-check><a href=/zh-cn/docs/migration/migration-triple/ title=Triple协议迁移指南 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-triple><span>Triple</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-routingrule-li><input type=checkbox id=m-zh-cndocsmigrationmigration-routingrule-check> |
| <label for=m-zh-cndocsmigrationmigration-routingrule-check><a href=/zh-cn/docs/migration/migration-routingrule/ title=统一路由规则升级指南 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-routingrule><span>路由规则</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguages-li><input type=checkbox id=m-zh-cndocslanguages-check> |
| <label for=m-zh-cndocslanguages-check><a href=/zh-cn/docs/languages/ title=多语言实现 class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguages><span>多语言</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguageserlang-li><input type=checkbox id=m-zh-cndocslanguageserlang-check> |
| <label for=m-zh-cndocslanguageserlang-check><a href=/zh-cn/docs/languages/erlang/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguageserlang><span>Erlang</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangquick-start-li><input type=checkbox id=m-zh-cndocslanguageserlangquick-start-check> |
| <label for=m-zh-cndocslanguageserlangquick-start-check><a href=/zh-cn/docs/languages/erlang/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangquick-start><span>快速开始</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangreference-li><input type=checkbox id=m-zh-cndocslanguageserlangreference-check> |
| <label for=m-zh-cndocslanguageserlangreference-check><a href=/zh-cn/docs/languages/erlang/reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangreference><span>消费者配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangservice-li><input type=checkbox id=m-zh-cndocslanguageserlangservice-check> |
| <label for=m-zh-cndocslanguageserlangservice-check><a href=/zh-cn/docs/languages/erlang/service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangservice><span>提供者配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangserialization-li><input type=checkbox id=m-zh-cndocslanguageserlangserialization-check> |
| <label for=m-zh-cndocslanguageserlangserialization-check><a href=/zh-cn/docs/languages/erlang/serialization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangserialization><span>序列化配置项</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolang-li><input type=checkbox id=m-zh-cndocslanguagesgolang-check> |
| <label for=m-zh-cndocslanguagesgolang-check><a href=/zh-cn/docs/languages/golang/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolang><span>golang</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangquick-start-li><input type=checkbox id=m-zh-cndocslanguagesgolangquick-start-check> |
| <label for=m-zh-cndocslanguagesgolangquick-start-check><a href=/zh-cn/docs/languages/golang/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangquick-start><span>Go 快速开始</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolanggo-specific-li><input type=checkbox id=m-zh-cndocslanguagesgolanggo-specific-check> |
| <label for=m-zh-cndocslanguagesgolanggo-specific-check><a href=/zh-cn/docs/languages/golang/go-specific/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolanggo-specific><span>Go 语言定义服务</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-15-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-15><span>Dubbo-go 1.5</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/configuration/client/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient><span>client</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/configuration/provider/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider><span>service providers</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-15quick-start-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15quick-start-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15quick-start-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-15quick-start><span>快速开始</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30><span>Dubbo-go 3.0</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samples-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samples-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samples-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30samples><span>高级使用</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/custom-filter/ title="Dubbo-go 3.0 自定义filter" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter><span>Filter</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/go_java_interactive/ title="go-java 3.0 互通示例" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive><span>Go-Java 互通</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/metrics/ title="Dubbo-go 数据上报" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics><span>Metrics 数据上报</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/samples_repo/ title="dubbo-go 3.0 示例仓库" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo><span>Samples 仓库介绍</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/exception_response/ title="Dubbo-go 3.0 异常回传" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response><span>Triple 异常回传</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/generic/ title="Dubbo-go 泛化调用" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric><span>泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/mesh_router/ title="Dubbo-go v3 统一路由规则" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router><span>路由规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/config-center-dynamic/ title="Dubbo-go 3.0 动态配置" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic><span>配置中心和配置监听</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/start-check/ title="Dubbo-go 3.0 启动时检查" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check><span>启动时检查</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/custom-logger/ title="Dubbo-go 3.0 自定义日志" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger><span>日志</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/service-discovery/ title="Dubbo-go 3.0 应用级服务发现" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery><span>应用级服务发现</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/registry/ title="Dubbo-go 3.0 注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry><span>注册中心</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30concept-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30concept-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30concept-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30concept><span>基本概念</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/app_and_interface/ title="Dubbo-go 的应用和接口" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface><span>服务层级</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/configuration/ title=Dubbo-go的配置 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration><span>框架配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/protocol/ title="Dubbo-go 的网络协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol><span>网络协议</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/registry/ title="Dubbo-go 的注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry><span>注册中心</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30preface-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30preface-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30preface-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/preface/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30preface><span>简介</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/preface/3.0_feature/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature><span>dubbo-go 3.0 新特性</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/preface/architecture/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture><span>架构</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30developer-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30developer-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30developer-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/developer/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30developer><span>开发者指南</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/developer/design/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign><span>架构设计</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstart-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30quickstart-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30quickstart-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/quickstart/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstart><span>快速开始</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/quickstart/quickstart_dubbo/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo><span>Dubbo-go 协议快速开始</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/quickstart/quickstart_triple/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple><span>Triple 协议快速开始</span></a></label></li></ul></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesjava-li><input type=checkbox id=m-zh-cndocslanguagesjava-check> |
| <label for=m-zh-cndocslanguagesjava-check><a href=/zh-cn/docs/languages/java/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesjava><span>java</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesjavajava-specific-li><input type=checkbox id=m-zh-cndocslanguagesjavajava-specific-check> |
| <label for=m-zh-cndocslanguagesjavajava-specific-check><a href=/zh-cn/docs/languages/java/java-specific/ title="Java 语言定义服务" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesjavajava-specific><span>Java 定义服务</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesjavaquick-start-li><input type=checkbox id=m-zh-cndocslanguagesjavaquick-start-check> |
| <label for=m-zh-cndocslanguagesjavaquick-start-check><a href=/zh-cn/docs/languages/java/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesjavaquick-start><span>Java 快速开始</span></a></label></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferences-li><input type=checkbox id=m-zh-cndocsreferences-check> |
| <label for=m-zh-cndocsreferences-check><a href=/zh-cn/docs/references/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferences><span>参考手册</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesprotobuf-li><input type=checkbox id=m-zh-cndocsreferencesprotobuf-check> |
| <label for=m-zh-cndocsreferencesprotobuf-check><a href=/zh-cn/docs/references/protobuf/ title=Protobuf class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferencesprotobuf><span>protobuf</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotobufidl-li><input type=checkbox id=m-zh-cndocsreferencesprotobufidl-check> |
| <label for=m-zh-cndocsreferencesprotobufidl-check><a href=/zh-cn/docs/references/protobuf/idl/ title="使用 IDL 开发服务" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotobufidl><span>idl</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesxml-li><input type=checkbox id=m-zh-cndocsreferencesxml-check> |
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| <label for=m-zh-cndocsreferencesspisremoting-check><a href=/zh-cn/docs/references/spis/remoting/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesspisremoting><span>网络传输扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesspisexchanger-li><input type=checkbox id=m-zh-cndocsreferencesspisexchanger-check> |
| <label for=m-zh-cndocsreferencesspisexchanger-check><a href=/zh-cn/docs/references/spis/exchanger/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesspisexchanger><span>信息交换扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesspispage-li><input type=checkbox id=m-zh-cndocsreferencesspispage-check> |
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| <label for=m-zh-cndocsreferencesspisnetworker-check><a href=/zh-cn/docs/references/spis/networker/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesspisnetworker><span>组网扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesspistelnet-handler-li><input type=checkbox id=m-zh-cndocsreferencesspistelnet-handler-check> |
| <label for=m-zh-cndocsreferencesspistelnet-handler-check><a href=/zh-cn/docs/references/spis/telnet-handler/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesspistelnet-handler><span>Telnet 命令扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesspisstatus-checker-li><input type=checkbox id=m-zh-cndocsreferencesspisstatus-checker-check> |
| <label for=m-zh-cndocsreferencesspisstatus-checker-check><a href=/zh-cn/docs/references/spis/status-checker/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesspisstatus-checker><span>状态检查扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesspiscontainer-li><input type=checkbox id=m-zh-cndocsreferencesspiscontainer-check> |
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| <label for=m-zh-cndocsreferencesspislogger-adapter-check><a href=/zh-cn/docs/references/spis/logger-adapter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesspislogger-adapter><span>日志适配扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesspisdubbo-spi-li><input type=checkbox id=m-zh-cndocsreferencesspisdubbo-spi-check> |
| <label for=m-zh-cndocsreferencesspisdubbo-spi-check><a href=/zh-cn/docs/references/spis/dubbo-spi/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesspisdubbo-spi><span>扩展点开发指南</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesconfiguration-li><input type=checkbox id=m-zh-cndocsreferencesconfiguration-check> |
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| <label for=m-zh-cndocsreferencesconfigurationoverview-check><a href=/zh-cn/docs/references/configuration/overview/ title=配置概述 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesconfigurationoverview><span>概述</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesconfigurationapi-li><input type=checkbox id=m-zh-cndocsreferencesconfigurationapi-check> |
| <label for=m-zh-cndocsreferencesconfigurationapi-check><a href=/zh-cn/docs/references/configuration/api/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesconfigurationapi><span>API 配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesconfigurationxml-li><input type=checkbox id=m-zh-cndocsreferencesconfigurationxml-check> |
| <label for=m-zh-cndocsreferencesconfigurationxml-check><a href=/zh-cn/docs/references/configuration/xml/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesconfigurationxml><span>XML 配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesconfigurationannotation-li><input type=checkbox id=m-zh-cndocsreferencesconfigurationannotation-check> |
| <label for=m-zh-cndocsreferencesconfigurationannotation-check><a href=/zh-cn/docs/references/configuration/annotation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesconfigurationannotation><span>注解配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesconfigurationproperties-li><input type=checkbox id=m-zh-cndocsreferencesconfigurationproperties-check> |
| <label for=m-zh-cndocsreferencesconfigurationproperties-check><a href=/zh-cn/docs/references/configuration/properties/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesconfigurationproperties><span>属性配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesconfigurationexternal-config-li><input type=checkbox id=m-zh-cndocsreferencesconfigurationexternal-config-check> |
| <label for=m-zh-cndocsreferencesconfigurationexternal-config-check><a href=/zh-cn/docs/references/configuration/external-config/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesconfigurationexternal-config><span>外部化配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesconfigurationenvironment-variables-li><input type=checkbox id=m-zh-cndocsreferencesconfigurationenvironment-variables-check> |
| <label for=m-zh-cndocsreferencesconfigurationenvironment-variables-check><a href=/zh-cn/docs/references/configuration/environment-variables/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesconfigurationenvironment-variables><span>自动加载环境变量</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesmetadata-li><input type=checkbox id=m-zh-cndocsreferencesmetadata-check> |
| <label for=m-zh-cndocsreferencesmetadata-check><a href=/zh-cn/docs/references/metadata/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesmetadata><span>元数据参考手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesapi-li><input type=checkbox id=m-zh-cndocsreferencesapi-check> |
| <label for=m-zh-cndocsreferencesapi-check><a href=/zh-cn/docs/references/api/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesapi><span>API 参考手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferenceslifecycle-li><input type=checkbox id=m-zh-cndocsreferenceslifecycle-check> |
| <label for=m-zh-cndocsreferenceslifecycle-check><a href=/zh-cn/docs/references/lifecycle/ title="Kubernetes 生命周期对齐探针" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferenceslifecycle><span>探针</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferenceslifecyclebrief-li><input type=checkbox id=m-zh-cndocsreferenceslifecyclebrief-check> |
| <label for=m-zh-cndocsreferenceslifecyclebrief-check><a href=/zh-cn/docs/references/lifecycle/brief/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferenceslifecyclebrief><span>使用方法</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferenceslifecycleliveness-li><input type=checkbox id=m-zh-cndocsreferenceslifecycleliveness-check> |
| <label for=m-zh-cndocsreferenceslifecycleliveness-check><a href=/zh-cn/docs/references/lifecycle/liveness/ title="Liveness 存活探针" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferenceslifecycleliveness><span>存活探针</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferenceslifecyclereadiness-li><input type=checkbox id=m-zh-cndocsreferenceslifecyclereadiness-check> |
| <label for=m-zh-cndocsreferenceslifecyclereadiness-check><a href=/zh-cn/docs/references/lifecycle/readiness/ title="Readiness 就绪探针" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferenceslifecyclereadiness><span>就绪探针</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferenceslifecyclestartup-li><input type=checkbox id=m-zh-cndocsreferenceslifecyclestartup-check> |
| <label for=m-zh-cndocsreferenceslifecyclestartup-check><a href=/zh-cn/docs/references/lifecycle/startup/ title="Startup 启动探针" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferenceslifecyclestartup><span>启动探针</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferenceslifecyclerest-li><input type=checkbox id=m-zh-cndocsreferenceslifecyclerest-check> |
| <label for=m-zh-cndocsreferenceslifecyclerest-check><a href=/zh-cn/docs/references/lifecycle/rest/ title="开发 REST 应用" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferenceslifecyclerest><span>REST 支持</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesqos-li><input type=checkbox id=m-zh-cndocsreferencesqos-check> |
| <label for=m-zh-cndocsreferencesqos-check><a href=/zh-cn/docs/references/qos/ title=在线运维命令参考手册 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesqos><span>QOS 手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencestelnet-li><input type=checkbox id=m-zh-cndocsreferencestelnet-check> |
| <label for=m-zh-cndocsreferencestelnet-check><a href=/zh-cn/docs/references/telnet/ title="Telnet 命令参考手册" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencestelnet><span>Telnet 手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesmaven-li><input type=checkbox id=m-zh-cndocsreferencesmaven-check> |
| <label for=m-zh-cndocsreferencesmaven-check><a href=/zh-cn/docs/references/maven/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesmaven><span>Maven 插件参考手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesprotocols-li><input type=checkbox id=m-zh-cndocsreferencesprotocols-check> |
| <label for=m-zh-cndocsreferencesprotocols-check><a href=/zh-cn/docs/references/protocols/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferencesprotocols><span>RPC协议</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolsdubbo-li><input type=checkbox id=m-zh-cndocsreferencesprotocolsdubbo-check> |
| <label for=m-zh-cndocsreferencesprotocolsdubbo-check><a href=/zh-cn/docs/references/protocols/dubbo/ title="dubbo 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolsdubbo><span>dubbo://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolshttp-li><input type=checkbox id=m-zh-cndocsreferencesprotocolshttp-check> |
| <label for=m-zh-cndocsreferencesprotocolshttp-check><a href=/zh-cn/docs/references/protocols/http/ title="http 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolshttp><span>http://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolshessian-li><input type=checkbox id=m-zh-cndocsreferencesprotocolshessian-check> |
| <label for=m-zh-cndocsreferencesprotocolshessian-check><a href=/zh-cn/docs/references/protocols/hessian/ title="hessian 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolshessian><span>hessian://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolsredis-li><input type=checkbox id=m-zh-cndocsreferencesprotocolsredis-check> |
| <label for=m-zh-cndocsreferencesprotocolsredis-check><a href=/zh-cn/docs/references/protocols/redis/ title="redis 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolsredis><span>redis://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolsthrift-li><input type=checkbox id=m-zh-cndocsreferencesprotocolsthrift-check> |
| <label for=m-zh-cndocsreferencesprotocolsthrift-check><a href=/zh-cn/docs/references/protocols/thrift/ title="thrift 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolsthrift><span>thrift://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolsgrpc-li><input type=checkbox id=m-zh-cndocsreferencesprotocolsgrpc-check> |
| <label for=m-zh-cndocsreferencesprotocolsgrpc-check><a href=/zh-cn/docs/references/protocols/grpc/ title="gRPC 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolsgrpc><span>grpc://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolsmemcached-li><input type=checkbox id=m-zh-cndocsreferencesprotocolsmemcached-check> |
| <label for=m-zh-cndocsreferencesprotocolsmemcached-check><a href=/zh-cn/docs/references/protocols/memcached/ title="memcached 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolsmemcached><span>memcached://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolsrmi-li><input type=checkbox id=m-zh-cndocsreferencesprotocolsrmi-check> |
| <label for=m-zh-cndocsreferencesprotocolsrmi-check><a href=/zh-cn/docs/references/protocols/rmi/ title="rmi 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolsrmi><span>rmi://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolswebservice-li><input type=checkbox id=m-zh-cndocsreferencesprotocolswebservice-check> |
| <label for=m-zh-cndocsreferencesprotocolswebservice-check><a href=/zh-cn/docs/references/protocols/webservice/ title="webservice 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolswebservice><span>webservice://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolstri-li><input type=checkbox id=m-zh-cndocsreferencesprotocolstri-check> |
| <label for=m-zh-cndocsreferencesprotocolstri-check><a href=/zh-cn/docs/references/protocols/tri/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolstri><span>Triple 协议</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotocolsrest-li><input type=checkbox id=m-zh-cndocsreferencesprotocolsrest-check> |
| <label for=m-zh-cndocsreferencesprotocolsrest-check><a href=/zh-cn/docs/references/protocols/rest/ title="开发 REST 应用" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotocolsrest><span>REST 支持</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesgraalvm-li><input type=checkbox id=m-zh-cndocsreferencesgraalvm-check> |
| <label for=m-zh-cndocsreferencesgraalvm-check><a href=/zh-cn/docs/references/graalvm/ title=支持graalvm class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferencesgraalvm><span>support graalvm</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesgraalvmsupport-graalvm-li><input type=checkbox id=m-zh-cndocsreferencesgraalvmsupport-graalvm-check> |
| <label for=m-zh-cndocsreferencesgraalvmsupport-graalvm-check><a href=/zh-cn/docs/references/graalvm/support-graalvm/ title="使用 GraalVM 打包 Native Image" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesgraalvmsupport-graalvm><span>Native Image</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesrouters-li><input type=checkbox id=m-zh-cndocsreferencesrouters-check> |
| <label for=m-zh-cndocsreferencesrouters-check><a href=/zh-cn/docs/references/routers/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferencesrouters><span>路由规则</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesroutersvirtualservice-li><input type=checkbox id=m-zh-cndocsreferencesroutersvirtualservice-check> |
| <label for=m-zh-cndocsreferencesroutersvirtualservice-check><a href=/zh-cn/docs/references/routers/virtualservice/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesroutersvirtualservice><span>VirtualService</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesroutersdestination-rule-li><input type=checkbox id=m-zh-cndocsreferencesroutersdestination-rule-check> |
| <label for=m-zh-cndocsreferencesroutersdestination-rule-check><a href=/zh-cn/docs/references/routers/destination-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesroutersdestination-rule><span>DestinationRule</span></a></label></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsperformance-li><input type=checkbox id=m-zh-cndocsperformance-check> |
| <label for=m-zh-cndocsperformance-check><a href=/zh-cn/docs/performance/ title="性能优化 & 基准测试" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsperformance><span>性能优化</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsperformancebenchmarking-li><input type=checkbox id=m-zh-cndocsperformancebenchmarking-check> |
| <label for=m-zh-cndocsperformancebenchmarking-check><a href=/zh-cn/docs/performance/benchmarking/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsperformancebenchmarking><span>基准测试</span></a></label></li></ul></li></ul></li></ul></nav></div></div><main class="col-12 col-md-9 col-xl-8 pl-md-5" role=main><nav aria-label=breadcrumb class=td-breadcrumbs><ol class=breadcrumb><li class=breadcrumb-item><a href=https://cn.dubbo.apache.org/zh-cn/docs/>文档</a></li><li class=breadcrumb-item><a href=https://cn.dubbo.apache.org/zh-cn/docs/migration/>升级与兼容性</a></li><li class="breadcrumb-item active" aria-current=page><a href=https://cn.dubbo.apache.org/zh-cn/docs/migration/migration-service-discovery/ aria-disabled=true class="btn-link disabled">应用级地址发现</a></li></ol></nav><div class=td-content><h1>应用级地址发现迁移指南</h1><div class=lead>本文档专门针对使用 2.x 版本的老用户，详细阐述了升级到 3.x 后的默认地址注册与发现行为、如何平滑的迁移到新版本的地址模型。</div><header class=article-meta></header><div class="pageinfo pageinfo-primary"><p>此文档已经不再维护。您当前查看的是快照版本。如果想要查看最新版本的文档，请参阅<a href=/zh-cn/overview/mannual/java-sdk/upgrades-and-compatibility/service-discovery/>最新版本</a>。</p></div><p><strong>总体上来说，在地址注册与发现环节，3.x 是完全兼容 2.x 版本的，这意味着，用户可以选择将集群内任意数量的应用或机器升级到 3.x，同时在这个过程中保持与 2.x 版本的互操作性。</strong></p><h2 id=1-快速升级步骤>1 快速升级步骤</h2><p>简单的修改 pom.xml 到最新版本就可以完成升级，如果要迁移到应用级地址，只需要调整开关控制 3.x 版本的默认行为。</p><ol><li>升级 Provider 应用到最新 3.x 版本依赖，配置双注册开关<code>dubbo.application.register-mode=all</code>（建议通过全局配置中心设置，默认已自动开启），完成应用发布。</li><li>升级 Consumer 应用到最新 3.x 版本依赖，配置双订阅开关<code>dubbo.application.service-discovery.migration=APPLICATION_FIRST</code>（建议通过全局配置中心设置，默认已自动开启），完成应用发布。</li><li>在确认 Provider 的上有 Consumer 全部完成应用级地址迁移后，Provider 切到应用级地址单注册。完成升级</li></ol><p>以下是关于迁移流程的详细描述。</p><h2 id=2-provider-端升级过程详解>2 Provider 端升级过程详解</h2><p>在不改变任何 Dubbo 配置的情况下，可以将一个应用或实例升级到 3.x 版本，升级后的 Dubbo 实例会默保保证与 2.x 版本的兼容性，即会正常注册 2.x 格式的地址到注册中心，因此升级后的实例仍会对整个集群仍保持可见状态。</p><p>同时新的地址发现模型（注册应用级别的地址）也将会自动注册。</p><p><img src=/imgs/v3/migration/provider-registration.png alt=//imgs/v3/migration/provider-registration.png></p><p>通过 -D 参数，可以指定 provider 启动时的注册行为</p><div class=highlight><pre tabindex=0 style=color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-text data-lang=text><span style=display:flex><span>-Ddubbo.application.register-mode=all |
| </span></span><span style=display:flex><span># 可选值 interface、instance、all，默认是 all，即接口级地址、应用级地址都注册 |
| </span></span></code></pre></div><p>另外，可以在配置中心修改全局默认行为，来控制所有 3.x 实例注册行为。其中，全局性开关的优先级低于 -D 参数。</p><p>为了保证平滑迁移，即升级到 3.x 的实例能同时被 2.x 与 3.x 的消费者实例发现，3.x 实例需要开启双注册；当所有上游的消费端都迁移到 3.x 的地址模型后，提供端就可以切换到 instance 模式（只注册应用级地址）。对于如何升级消费端到 3.x 请参见下一小节。</p><h3 id=21-双注册带来的资源消耗>2.1 双注册带来的资源消耗</h3><p>双注册不可避免的会带来额外的注册中心存储压力，但考虑到应用级地址发现模型的数据量在存储方面的极大优势，即使对于一些超大规模集群的用户而言，新增的数据量也并不会带来存储问题。总体来说，对于一个普通集群而言，数据增长可控制在之前数据总量的 1/100 ~ 1/1000</p><p>以一个中等规模的集群实例来说： 2000 实例、50个应用（500 个 Dubbo 接口，平均每个应用 10 个接口）。</p><p> 假设每个接口级 URL 地址平均大小为 5kb，每个应用级 URL 平均大小为 0.5kb</p><p> 老的接口级地址量：2000 * 500 * 5kb ≈ 4.8G</p><p> 新的应用级地址量：2000 * 50 * 0.5kb ≈ 48M</p><p> 双注册后仅仅增加了 48M 的数据量。</p><h2 id=3-consumer-端升级过程>3 Consumer 端升级过程</h2><p>对于 2.x 的消费者实例，它们看到的自然都是 2.x 版本的提供者地址列表；</p><p>对于 3.x 的消费者，它具备同时发现 2.x 与 3.x 提供者地址列表的能力。在默认情况下，如果集群中存在可以消费的 3.x 的地址，将自动消费 3.x 的地址，如果不存在新地址则自动消费 2.x 的地址。Dubbo3 提供了开关来控制这个行为：</p><div class=highlight><pre tabindex=0 style=color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-text data-lang=text><span style=display:flex><span>dubbo.application.service-discovery.migration=APPLICATION_FIRST |
| </span></span><span style=display:flex><span># 可选值 |
| </span></span><span style=display:flex><span># FORCE_INTERFACE，只消费接口级地址，如无地址则报错，单订阅 2.x 地址 |
| </span></span><span style=display:flex><span># APPLICATION_FIRST，智能决策接口级/应用级地址，双订阅 |
| </span></span><span style=display:flex><span># FORCE_APPLICATION，只消费应用级地址，如无地址则报错，单订阅 3.x 地址 |
| </span></span></code></pre></div><p><code>dubbo.application.service-discovery.migration </code>支持通过 <code>-D</code> 以及 <code>全局配置中心</code> 两种方式进行配置。</p><p><img src=/imgs/v3/migration/consumer-subscription.png alt=//imgs/v3/migration/consumer-subscription.png></p><p>接下来，我们就具体看一下，如何通过双订阅模式（APPLICATION_FIRST）让升级到 3.x 的消费端迁移到应用级别的地址。在具体展开之前，先明确一条消费端的选址行为：<strong>对于双订阅的场景，消费端虽然可同时持有 2.x 地址与 3.x 地址，但选址过程中两份地址是完全隔离的：要么用 2.x 地址，要么用 3.x 地址，不存在两份地址混合调用的情况，这个决策过程是在收到第一次地址通知后就完成了的。</strong></p><p>下面，我们看一个<code>APPLICATION_FIRST</code>策略的具体操作过程。</p><p>首先，提前在全局配置中心 Nacos 配置一条配置项（所有消费端都将默认执行这个选址策略）：</p><p><img src=/imgs/v3/migration/nacos-migration-item.png alt=//imgs/v3/migration/nacos-migration-item.png></p><p>紧接着，升级消费端到 3.x 版本并启动，这时消费端读取到<code>APPLICATION_FIRST</code>配置后，执行双订阅逻辑（订阅 2.x 接口级地址与 3.x 应用级地址）</p><p>至此，升级操作就完成了，剩下的就是框架内部的执行了。在调用发生前，框架在消费端会有一个“选址过程”，注意这里的选址和之前 2.x 版本是有区别的，选址过程包含了两层筛选：</p><ul><li>先进行地址列表（ClusterInvoker）筛选（接口级地址 or 应用级地址）</li><li>再进行实际的 provider 地址（Invoker）筛选。</li></ul><p><img src=/imgs/v3/migration/migration-cluster-invoker.png alt=//imgs/v3/migration/migration-cluster-item.png></p><p>ClusterInvoker 筛选的依据，可以通过 MigrationAddressComparator SPI 自行定义，目前官方提供了一个简单的地址数量比对策略，即当 <code>应用级地址数量 == 接口级地址数量</code> 满足时则进行迁移。</p><blockquote><p>其实 FORCE_INTERFACE、APPLICATION_FIRST、FORCE_APPLICATION 控制的都是这里的 ClusterInvoker 类型的筛选策略</p></blockquote><h3 id=31-双订阅带来的资源消耗>3.1 双订阅带来的资源消耗</h3><p>双订阅不可避免的会增加消费端的内存消耗，但由于应用级地址发现在地址总量方面的优势，这个过程通常是可接受的，我们从两个方面进行分析：</p><ol><li>双订阅带来的地址推送数据量增长。这点我们在 ”双注册资源消耗“ 一节中做过介绍，应用级服务发现带来的注册中心数据量增长非常有限。</li><li>双订阅带来的消费端内存增长。要注意双订阅只存在于启动瞬态，在ClusterInvoker选址决策之后其中一份地址就会被完全销毁；对单个服务来说，启动阶段双订阅带来的内存增长大概能控制在原内存量的 30% ~ 40%，随后就会下降到单订阅水平，如果切到应用级地址，能实现内存 50% 的下降。</li></ol><h3 id=32-消费端更细粒度的控制>3.2 消费端更细粒度的控制</h3><p>除了全局的迁移策略之外，Dubbo 在消费端提供了更细粒度的迁移策略支持。控制单位可以是某一个消费者应用，它消费的服务A、服务B可以有各自独立的迁移策略，具体是用方式是在消费端配置迁移规则：</p><div class=highlight><pre tabindex=0 style=color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-yaml data-lang=yaml><span style=display:flex><span><span style=color:#268bd2>key</span>: demo-consumer |
| </span></span><span style=display:flex><span><span style=color:#268bd2>step</span>: APPLICATION_FIRST |
| </span></span><span style=display:flex><span><span style=color:#268bd2>applications</span>: |
| </span></span><span style=display:flex><span> - <span style=color:#268bd2>name</span>: demo-provider |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>step</span>: FORCE_APPLICATION |
| </span></span><span style=display:flex><span><span style=color:#268bd2>services</span>: |
| </span></span><span style=display:flex><span> - <span style=color:#268bd2>serviceKey</span>: org.apache.dubbo.config.api.DemoService:1.0.0 |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>step</span>: FORCE_INTERFACE |
| </span></span></code></pre></div><p>使用这种方式能做到比较精细迁移控制，但是当下及后续的改造成本会比较高，除了一些特别场景，我们不太推荐启用这种配置方式。 |
| (<a href=../../advanced/migration-invoker/>迁移指南</a>) <strong>官方推荐使用的全局的开关式的迁移策略，让消费端实例在启动阶段自行决策使用哪份可用的地址列表。</strong></p><h2 id=4-迁移状态的收敛>4 迁移状态的收敛</h2><p>为了同时兼容 2.x 版本，升级到 3.x 版本的应用在一段时间内要么处在双注册状态，要么处在双订阅状态。</p><p>解决这个问题，我们还是从 Provider 视角来看，当所有的 Provider 都切换到应用级地址注册之后，也就不存在双订阅的问题了。</p><h3 id=41-不同的升级策略影响很大>4.1 不同的升级策略影响很大</h3><p>毫无疑问越早越彻底的升级，就能尽快摆脱这个局面。设想，如果可以将组织内所有的应用都升级到 3.x 版本，则版本收敛就变的非常简单：升级过程中 Provider 始终保持双注册，当所有的应用都升级到 3.x 之后，就可以调整全局默认行为，让 Provider 都变成应用级地址单注册了，这个过程并不会给 Consumer 应用带来困扰，因为它们已经是可以识别应用级地址的 3.x 版本了。</p><p>如果没有办法做到应用的全量升级，甚至在相当长的时间内只能升级一部分应用，则不可避免的迁移状态要持续比较长的时间。 |
| 在这种情况下，我们追求的只能是尽量保持已升级应用的上下游实现版本及功能收敛。推动某些 Provider 的上游消费者都升级到 Dubbo3，这样就可以解除这部分 Provider 的双注册，要做到这一点，可能需要一些辅助统计工具的支持。</p><ol><li>要能分析出应用间的依赖关系，比如一个 Provdier 应用被哪些消费端应用消费，这可以通过 Dubbo 提供的服务元数据上报能力来实现。</li><li>要能知道每个应用当前使用的 dubbo 版本，可以通过扫描或者主动上报手段。</li></ol><div id=pre-footer><h2>反馈</h2><p class=feedback--prompt>此页是否对您有帮助？</p><button class="btn btn-primary mb-4 feedback--yes">是</button> |
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