| <!doctype html><html lang=en class=no-js><head><meta name=ROBOTS content="INDEX, FOLLOW"><link rel=canonical href=https://dubbo.apache.org/en/docs/v2.7/dev/principals/configuration/><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.120.4"><link rel="shortcut icon" type=image/png href=/imgs/favicon.png><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=manifest href=/manifest.webmanifest><title>The Configuration Design | Apache Dubbo</title><meta property="og:title" content="The Configuration Design"> |
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| Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration."><meta property="og:type" content="article"><meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/configuration/"><meta property="article:section" content="docs"><meta property="article:modified_time" content="2022-08-07T00:02:07+08:00"><meta itemprop=name content="The Configuration Design"><meta itemprop=description content="http://javatar.iteye.com/blog/949527 |
| Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration."><meta itemprop=dateModified content="2022-08-07T00:02:07+08:00"><meta itemprop=wordCount content="1635"><meta itemprop=keywords content><meta name=twitter:card content="summary"><meta name=twitter:title content="The Configuration Design"><meta name=twitter:description content="http://javatar.iteye.com/blog/949527 |
| Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration."><script async src="https://www.googletagmanager.com/gtag/js?id=G-1TFHM5YBH0"></script><script>var doNotTrack=!1;if(!doNotTrack){window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments)}gtag("js",new Date),gtag("config","G-1TFHM5YBH0",{anonymize_ip:!1})}</script><link rel=preload href=/scss/main.min.fe7176cbe3102a33d3e8c0c9cec61eb52508abd24a2cc1ae23ccf535a481ffde.css as=style><link href=/scss/main.min.fe7176cbe3102a33d3e8c0c9cec61eb52508abd24a2cc1ae23ccf535a481ffde.css rel=stylesheet integrity><script src=/js/jquery-3.5.1.min.js integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin=anonymous></script><link rel=stylesheet href=https://cdn.jsdelivr.net/npm/@docsearch/css@3><meta name=theme-color content="#326ce5"><link rel=stylesheet href=/css/feature-states.css><meta name=description content="http://javatar.iteye.com/blog/949527 |
| Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration."><meta property="og:description" content="http://javatar.iteye.com/blog/949527 |
| Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration."><meta name=twitter:description content="http://javatar.iteye.com/blog/949527 |
| Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration."><meta property="og:url" content="https://dubbo.apache.org/en/docs/v2.7/dev/principals/configuration/"><meta property="og:title" content="The Configuration Design"><meta name=twitter:title content="The Configuration Design"><meta name=twitter:image:alt content="Apache Dubbo"><meta property="og:type" content="article"><meta name=viewport content="width=device-width"><script async defer src=/js/github-buttons.js></script><link href=/css/community.css rel=stylesheet><link href=/css/contactus.css rel=stylesheet><link href=/css/language.css rel=stylesheet><script src=/js/script.js></script></head><body class="td-page td-documentation"><header><nav class="js-navbar-scroll navbar navbar-expand navbar-dark flex-column flex-md-row td-navbar" data-auto-burger=primary><a class=navbar-brand href=/en/><span class=navbar-logo></span><span class="text-uppercase font-weight-bold">Apache Dubbo</span></a><div class="td-navbar-nav-scroll ml-md-auto" id=main_navbar><ul class="navbar-nav mt-2 mt-lg-0"><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/en/overview/><span>Overview</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/en/docs3-v2/><span>SDK Manual</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/en/blog/><span>Blog</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/en/download/><span>Download</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=https://start.dubbo.apache.org/bootstrap.html target=_blank><span>Initializer</span><i class='fas fa-external-link-alt'></i></a></li><li class="nav-item dropdown d-lg-block"><a class="nav-link dropdown-toggle" href=# id=navbarDropdownMenuLink role=button data-toggle=dropdown aria-haspopup=true aria-expanded=false>English</a><div class="dropdown-menu dropdown-menu-right" aria-labelledby=navbarDropdownMenuLink><a class=dropdown-item href=/zh-cn/>中文</a></div></li><li class="nav-item dropdown d-lg-block"><div class="nav-item d-none d-lg-block"><div id=docsearch></div></div></li></ul></div></nav><section class="header-hero text-white pb-0 light-text"></section></header><div class="container-fluid td-outer"><div class=td-main><div class="row flex-md-nowrap"><div class="col-12 col-md-3 col-xl-2 td-sidebar d-print-none"><script>$(function(){$("#td-section-nav a").removeClass("active"),$("#td-section-nav #m-endocsv27devprincipalsconfiguration").addClass("active"),$("#td-section-nav #m-endocsv27devprincipalsconfiguration-li span").addClass("td-sidebar-nav-active-item"),$("#td-section-nav #m-endocsv27devprincipalsconfiguration").parents("li").addClass("active-path"),$("#td-section-nav li.active-path").addClass("show"),$("#td-section-nav li.active-path").children("input").prop("checked",!0),$("#td-section-nav #m-endocsv27devprincipalsconfiguration-li").siblings("li").addClass("show"),$("#td-section-nav #m-endocsv27devprincipalsconfiguration-li").children("ul").children("li").addClass("show"),$("#td-sidebar-menu").toggleClass("d-none")})</script><div id=td-sidebar-menu class="td-sidebar__inner d-none"><div id=content-mobile><form class="td-sidebar__search d-flex align-items-center"><div id=docsearch></div><button class="btn btn-link td-sidebar__toggle d-md-none p-0 ml-3 fas fa-bars" type=button data-toggle=collapse data-target=#td-section-nav aria-controls=td-docs-nav aria-expanded=false aria-label="Toggle section navigation"></button></form></div><div id=content-desktop></div><nav class="collapse td-sidebar-nav foldable-nav" id=td-section-nav><ul class="td-sidebar-nav__section pr-md-3 ul-0"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocs-li><ul class=ul-1><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27-li><input type=checkbox id=m-endocsv27-check> |
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| <label for=m-endocsv27userexamplesmsgpack-serialization-check><a href=/en/docs/v2.7/user/examples/msgpack-serialization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesmsgpack-serialization><span>msgpack serialization</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesprovider-timeout-release-li><input type=checkbox id=m-endocsv27userexamplesprovider-timeout-release-check> |
| <label for=m-endocsv27userexamplesprovider-timeout-release-check><a href=/en/docs/v2.7/user/examples/provider-timeout-release/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesprovider-timeout-release><span>provider timeout release</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesinvoke-with-specified-ip-li><input type=checkbox id=m-endocsv27userexamplesinvoke-with-specified-ip-check> |
| <label for=m-endocsv27userexamplesinvoke-with-specified-ip-check><a href=/en/docs/v2.7/user/examples/invoke-with-specified-ip/ title="Invoke provider with specified IP port" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesinvoke-with-specified-ip><span>Specified IP port</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesgeneric-reference-li><input type=checkbox id=m-endocsv27userexamplesgeneric-reference-check> |
| <label for=m-endocsv27userexamplesgeneric-reference-check><a href=/en/docs/v2.7/user/examples/generic-reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesgeneric-reference><span>Generic Reference</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesgeneric-service-li><input type=checkbox id=m-endocsv27userexamplesgeneric-service-check> |
| <label for=m-endocsv27userexamplesgeneric-service-check><a href=/en/docs/v2.7/user/examples/generic-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesgeneric-service><span>Generic Service</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesecho-service-li><input type=checkbox id=m-endocsv27userexamplesecho-service-check> |
| <label for=m-endocsv27userexamplesecho-service-check><a href=/en/docs/v2.7/user/examples/echo-service/ title="Echo Testing Service" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesecho-service><span>Echo Service</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplescontext-li><input type=checkbox id=m-endocsv27userexamplescontext-check> |
| <label for=m-endocsv27userexamplescontext-check><a href=/en/docs/v2.7/user/examples/context/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplescontext><span>Context</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesattachment-li><input type=checkbox id=m-endocsv27userexamplesattachment-check> |
| <label for=m-endocsv27userexamplesattachment-check><a href=/en/docs/v2.7/user/examples/attachment/ title="Implicit parameters" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesattachment><span>Attachment</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesasync-call-li><input type=checkbox id=m-endocsv27userexamplesasync-call-check> |
| <label for=m-endocsv27userexamplesasync-call-check><a href=/en/docs/v2.7/user/examples/async-call/ title="Asynchronous Call" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesasync-call><span>Async Call</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesasync-execute-on-provider-li><input type=checkbox id=m-endocsv27userexamplesasync-execute-on-provider-check> |
| <label for=m-endocsv27userexamplesasync-execute-on-provider-check><a href=/en/docs/v2.7/user/examples/async-execute-on-provider/ title="Asynchronous Execution" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesasync-execute-on-provider><span>Async Execution</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexampleslocal-call-li><input type=checkbox id=m-endocsv27userexampleslocal-call-check> |
| <label for=m-endocsv27userexampleslocal-call-check><a href=/en/docs/v2.7/user/examples/local-call/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexampleslocal-call><span>Local Call</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplescallback-parameter-li><input type=checkbox id=m-endocsv27userexamplescallback-parameter-check> |
| <label for=m-endocsv27userexamplescallback-parameter-check><a href=/en/docs/v2.7/user/examples/callback-parameter/ title="Callback parameter" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplescallback-parameter><span>Callback</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesevents-notify-li><input type=checkbox id=m-endocsv27userexamplesevents-notify-check> |
| <label for=m-endocsv27userexamplesevents-notify-check><a href=/en/docs/v2.7/user/examples/events-notify/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesevents-notify><span>Event Notification</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexampleslocal-stub-li><input type=checkbox id=m-endocsv27userexampleslocal-stub-check> |
| <label for=m-endocsv27userexampleslocal-stub-check><a href=/en/docs/v2.7/user/examples/local-stub/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexampleslocal-stub><span>Local Stub</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexampleslocal-mock-li><input type=checkbox id=m-endocsv27userexampleslocal-mock-check> |
| <label for=m-endocsv27userexampleslocal-mock-check><a href=/en/docs/v2.7/user/examples/local-mock/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexampleslocal-mock><span>Local Mock</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesdelay-publish-li><input type=checkbox id=m-endocsv27userexamplesdelay-publish-check> |
| <label for=m-endocsv27userexamplesdelay-publish-check><a href=/en/docs/v2.7/user/examples/delay-publish/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesdelay-publish><span>Delay Publish</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesconcurrency-control-li><input type=checkbox id=m-endocsv27userexamplesconcurrency-control-check> |
| <label for=m-endocsv27userexamplesconcurrency-control-check><a href=/en/docs/v2.7/user/examples/concurrency-control/ title="Concurrency Control" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesconcurrency-control><span>Concurrency</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesconfig-connections-li><input type=checkbox id=m-endocsv27userexamplesconfig-connections-check> |
| <label for=m-endocsv27userexamplesconfig-connections-check><a href=/en/docs/v2.7/user/examples/config-connections/ title="Config connections" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesconfig-connections><span>Connection</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexampleslazy-connect-li><input type=checkbox id=m-endocsv27userexampleslazy-connect-check> |
| <label for=m-endocsv27userexampleslazy-connect-check><a href=/en/docs/v2.7/user/examples/lazy-connect/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexampleslazy-connect><span>Lazy Connect</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesstickiness-li><input type=checkbox id=m-endocsv27userexamplesstickiness-check> |
| <label for=m-endocsv27userexamplesstickiness-check><a href=/en/docs/v2.7/user/examples/stickiness/ title="Stickiness Connection" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesstickiness><span>Stickiness</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplestoken-authorization-li><input type=checkbox id=m-endocsv27userexamplestoken-authorization-check> |
| <label for=m-endocsv27userexamplestoken-authorization-check><a href=/en/docs/v2.7/user/examples/token-authorization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplestoken-authorization><span>Token Authorization</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesrouting-rule-li><input type=checkbox id=m-endocsv27userexamplesrouting-rule-check> |
| <label for=m-endocsv27userexamplesrouting-rule-check><a href=/en/docs/v2.7/user/examples/routing-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesrouting-rule><span>Routing Rule</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesconfig-rule-li><input type=checkbox id=m-endocsv27userexamplesconfig-rule-check> |
| <label for=m-endocsv27userexamplesconfig-rule-check><a href=/en/docs/v2.7/user/examples/config-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesconfig-rule><span>Configure rule</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesservice-downgrade-li><input type=checkbox id=m-endocsv27userexamplesservice-downgrade-check> |
| <label for=m-endocsv27userexamplesservice-downgrade-check><a href=/en/docs/v2.7/user/examples/service-downgrade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesservice-downgrade><span>Service Downgrade</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesgraceful-shutdown-li><input type=checkbox id=m-endocsv27userexamplesgraceful-shutdown-check> |
| <label for=m-endocsv27userexamplesgraceful-shutdown-check><a href=/en/docs/v2.7/user/examples/graceful-shutdown/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesgraceful-shutdown><span>Graceful Shutdown</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexampleshostname-binding-li><input type=checkbox id=m-endocsv27userexampleshostname-binding-check> |
| <label for=m-endocsv27userexampleshostname-binding-check><a href=/en/docs/v2.7/user/examples/hostname-binding/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexampleshostname-binding><span>Hostname Binding</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexampleslogger-strategy-li><input type=checkbox id=m-endocsv27userexampleslogger-strategy-check> |
| <label for=m-endocsv27userexampleslogger-strategy-check><a href=/en/docs/v2.7/user/examples/logger-strategy/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexampleslogger-strategy><span>Logger Strategy</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesaccesslog-li><input type=checkbox id=m-endocsv27userexamplesaccesslog-check> |
| <label for=m-endocsv27userexamplesaccesslog-check><a href=/en/docs/v2.7/user/examples/accesslog/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesaccesslog><span>Access Log</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesservice-container-li><input type=checkbox id=m-endocsv27userexamplesservice-container-check> |
| <label for=m-endocsv27userexamplesservice-container-check><a href=/en/docs/v2.7/user/examples/service-container/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesservice-container><span>Service Container</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesreference-config-cache-li><input type=checkbox id=m-endocsv27userexamplesreference-config-cache-check> |
| <label for=m-endocsv27userexamplesreference-config-cache-check><a href=/en/docs/v2.7/user/examples/reference-config-cache/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesreference-config-cache><span>ReferenceConfig Cache</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesregistry-only-li><input type=checkbox id=m-endocsv27userexamplesregistry-only-check> |
| <label for=m-endocsv27userexamplesregistry-only-check><a href=/en/docs/v2.7/user/examples/registry-only/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesregistry-only><span>Register Only</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesdistributed-transaction-li><input type=checkbox id=m-endocsv27userexamplesdistributed-transaction-check> |
| <label for=m-endocsv27userexamplesdistributed-transaction-check><a href=/en/docs/v2.7/user/examples/distributed-transaction/ title="Distributed transaction" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesdistributed-transaction><span>Transaction</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesdump-li><input type=checkbox id=m-endocsv27userexamplesdump-check> |
| <label for=m-endocsv27userexamplesdump-check><a href=/en/docs/v2.7/user/examples/dump/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesdump><span>Thread Dump</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userexamplesnetty4-li><input type=checkbox id=m-endocsv27userexamplesnetty4-check> |
| <label for=m-endocsv27userexamplesnetty4-check><a href=/en/docs/v2.7/user/examples/netty4/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userexamplesnetty4><span>Netty4</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27userreferences-li><input type=checkbox id=m-endocsv27userreferences-check> |
| <label for=m-endocsv27userreferences-check><a href=/en/docs/v2.7/user/references/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27userreferences><span>References</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27userreferencesxml-li><input type=checkbox id=m-endocsv27userreferencesxml-check> |
| <label for=m-endocsv27userreferencesxml-check><a href=/en/docs/v2.7/user/references/xml/ title="Schema Configuration Reference" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27userreferencesxml><span>XML</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-application-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-application-check> |
| <label for=m-endocsv27userreferencesxmldubbo-application-check><a href=/en/docs/v2.7/user/references/xml/dubbo-application/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-application><span>dubbo:application</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-argument-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-argument-check> |
| <label for=m-endocsv27userreferencesxmldubbo-argument-check><a href=/en/docs/v2.7/user/references/xml/dubbo-argument/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-argument><span>dubbo:argument</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-config-center-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-config-center-check> |
| <label for=m-endocsv27userreferencesxmldubbo-config-center-check><a href=/en/docs/v2.7/user/references/xml/dubbo-config-center/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-config-center><span>dubbo:config-center</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-consumer-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-consumer-check> |
| <label for=m-endocsv27userreferencesxmldubbo-consumer-check><a href=/en/docs/v2.7/user/references/xml/dubbo-consumer/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-consumer><span>dubbo:consumer</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-method-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-method-check> |
| <label for=m-endocsv27userreferencesxmldubbo-method-check><a href=/en/docs/v2.7/user/references/xml/dubbo-method/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-method><span>dubbo:method</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-module-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-module-check> |
| <label for=m-endocsv27userreferencesxmldubbo-module-check><a href=/en/docs/v2.7/user/references/xml/dubbo-module/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-module><span>dubbo:module</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-monitor-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-monitor-check> |
| <label for=m-endocsv27userreferencesxmldubbo-monitor-check><a href=/en/docs/v2.7/user/references/xml/dubbo-monitor/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-monitor><span>dubbo:monitor</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-parameter-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-parameter-check> |
| <label for=m-endocsv27userreferencesxmldubbo-parameter-check><a href=/en/docs/v2.7/user/references/xml/dubbo-parameter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-parameter><span>dubbo:parameter</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-protocol-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-protocol-check> |
| <label for=m-endocsv27userreferencesxmldubbo-protocol-check><a href=/en/docs/v2.7/user/references/xml/dubbo-protocol/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-protocol><span>dubbo:protocol</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-provider-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-provider-check> |
| <label for=m-endocsv27userreferencesxmldubbo-provider-check><a href=/en/docs/v2.7/user/references/xml/dubbo-provider/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-provider><span>dubbo:provider</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-reference-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-reference-check> |
| <label for=m-endocsv27userreferencesxmldubbo-reference-check><a href=/en/docs/v2.7/user/references/xml/dubbo-reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-reference><span>dubbo:reference</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-registry-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-registry-check> |
| <label for=m-endocsv27userreferencesxmldubbo-registry-check><a href=/en/docs/v2.7/user/references/xml/dubbo-registry/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-registry><span>dubbo:registry</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesxmldubbo-service-li><input type=checkbox id=m-endocsv27userreferencesxmldubbo-service-check> |
| <label for=m-endocsv27userreferencesxmldubbo-service-check><a href=/en/docs/v2.7/user/references/xml/dubbo-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesxmldubbo-service><span>dubbo:service</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27userreferencesprotocol-li><input type=checkbox id=m-endocsv27userreferencesprotocol-check> |
| <label for=m-endocsv27userreferencesprotocol-check><a href=/en/docs/v2.7/user/references/protocol/ title="Protocol References" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27userreferencesprotocol><span>Protocol</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocoldubbo-li><input type=checkbox id=m-endocsv27userreferencesprotocoldubbo-check> |
| <label for=m-endocsv27userreferencesprotocoldubbo-check><a href=/en/docs/v2.7/user/references/protocol/dubbo/ title="dubbo protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocoldubbo><span>dubbo://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolrest-li><input type=checkbox id=m-endocsv27userreferencesprotocolrest-check> |
| <label for=m-endocsv27userreferencesprotocolrest-check><a href=/en/docs/v2.7/user/references/protocol/rest/ title="rest protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolrest><span>rest://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolhttp-li><input type=checkbox id=m-endocsv27userreferencesprotocolhttp-check> |
| <label for=m-endocsv27userreferencesprotocolhttp-check><a href=/en/docs/v2.7/user/references/protocol/http/ title="http protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolhttp><span>http://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolhessian-li><input type=checkbox id=m-endocsv27userreferencesprotocolhessian-check> |
| <label for=m-endocsv27userreferencesprotocolhessian-check><a href=/en/docs/v2.7/user/references/protocol/hessian/ title="hessian protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolhessian><span>hessian://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolredis-li><input type=checkbox id=m-endocsv27userreferencesprotocolredis-check> |
| <label for=m-endocsv27userreferencesprotocolredis-check><a href=/en/docs/v2.7/user/references/protocol/redis/ title="redis protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolredis><span>redis://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolthrift-li><input type=checkbox id=m-endocsv27userreferencesprotocolthrift-check> |
| <label for=m-endocsv27userreferencesprotocolthrift-check><a href=/en/docs/v2.7/user/references/protocol/thrift/ title="thrift protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolthrift><span>thrift://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolmemcached-li><input type=checkbox id=m-endocsv27userreferencesprotocolmemcached-check> |
| <label for=m-endocsv27userreferencesprotocolmemcached-check><a href=/en/docs/v2.7/user/references/protocol/memcached/ title="memcached protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolmemcached><span>memcached://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolrmi-li><input type=checkbox id=m-endocsv27userreferencesprotocolrmi-check> |
| <label for=m-endocsv27userreferencesprotocolrmi-check><a href=/en/docs/v2.7/user/references/protocol/rmi/ title="rmi protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolrmi><span>rmi://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesprotocolwebservice-li><input type=checkbox id=m-endocsv27userreferencesprotocolwebservice-check> |
| <label for=m-endocsv27userreferencesprotocolwebservice-check><a href=/en/docs/v2.7/user/references/protocol/webservice/ title="webservice protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesprotocolwebservice><span>webservice://</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27userreferencesregistry-li><input type=checkbox id=m-endocsv27userreferencesregistry-check> |
| <label for=m-endocsv27userreferencesregistry-check><a href=/en/docs/v2.7/user/references/registry/ title="Registry Server References" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27userreferencesregistry><span>Registry Server</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesregistrynacos-li><input type=checkbox id=m-endocsv27userreferencesregistrynacos-check> |
| <label for=m-endocsv27userreferencesregistrynacos-check><a href=/en/docs/v2.7/user/references/registry/nacos/ title="Nacos Registry Center" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesregistrynacos><span>Nacos</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesregistryzookeeper-li><input type=checkbox id=m-endocsv27userreferencesregistryzookeeper-check> |
| <label for=m-endocsv27userreferencesregistryzookeeper-check><a href=/en/docs/v2.7/user/references/registry/zookeeper/ title="Zookeeper Registry Server" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesregistryzookeeper><span>Zookeeper</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesregistrymulticast-li><input type=checkbox id=m-endocsv27userreferencesregistrymulticast-check> |
| <label for=m-endocsv27userreferencesregistrymulticast-check><a href=/en/docs/v2.7/user/references/registry/multicast/ title="Multicast Registry" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesregistrymulticast><span>Multicast</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesregistryredis-li><input type=checkbox id=m-endocsv27userreferencesregistryredis-check> |
| <label for=m-endocsv27userreferencesregistryredis-check><a href=/en/docs/v2.7/user/references/registry/redis/ title="Redis Registry Server" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesregistryredis><span>Redis</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesregistrysimple-li><input type=checkbox id=m-endocsv27userreferencesregistrysimple-check> |
| <label for=m-endocsv27userreferencesregistrysimple-check><a href=/en/docs/v2.7/user/references/registry/simple/ title="Simple Registry Server" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesregistrysimple><span>Simple</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesmetadata-li><input type=checkbox id=m-endocsv27userreferencesmetadata-check> |
| <label for=m-endocsv27userreferencesmetadata-check><a href=/en/docs/v2.7/user/references/metadata/ title="Metadata Reference" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesmetadata><span>Metadata</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesapi-li><input type=checkbox id=m-endocsv27userreferencesapi-check> |
| <label for=m-endocsv27userreferencesapi-check><a href=/en/docs/v2.7/user/references/api/ title="API Reference" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesapi><span>API</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesqos-li><input type=checkbox id=m-endocsv27userreferencesqos-check> |
| <label for=m-endocsv27userreferencesqos-check><a href=/en/docs/v2.7/user/references/qos/ title="Qos Command Usage " class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesqos><span>Qos</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencestelnet-li><input type=checkbox id=m-endocsv27userreferencestelnet-check> |
| <label for=m-endocsv27userreferencestelnet-check><a href=/en/docs/v2.7/user/references/telnet/ title="Telnet Command Reference" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencestelnet><span>Telnet</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userreferencesmaven-li><input type=checkbox id=m-endocsv27userreferencesmaven-check> |
| <label for=m-endocsv27userreferencesmaven-check><a href=/en/docs/v2.7/user/references/maven/ title="Maven Plugin Reference" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userreferencesmaven><span>Maven</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userbest-practice-li><input type=checkbox id=m-endocsv27userbest-practice-check> |
| <label for=m-endocsv27userbest-practice-check><a href=/en/docs/v2.7/user/best-practice/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userbest-practice><span>Best practice</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userrecommend-li><input type=checkbox id=m-endocsv27userrecommend-check> |
| <label for=m-endocsv27userrecommend-check><a href=/en/docs/v2.7/user/recommend/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userrecommend><span>Recommended usage</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27usercapacity-plan-li><input type=checkbox id=m-endocsv27usercapacity-plan-check> |
| <label for=m-endocsv27usercapacity-plan-check><a href=/en/docs/v2.7/user/capacity-plan/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27usercapacity-plan><span>Capacity plan</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userperf-test-li><input type=checkbox id=m-endocsv27userperf-test-check> |
| <label for=m-endocsv27userperf-test-check><a href=/en/docs/v2.7/user/perf-test/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userperf-test><span>Performance</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27usercoveragence-li><input type=checkbox id=m-endocsv27usercoveragence-check> |
| <label for=m-endocsv27usercoveragence-check><a href=/en/docs/v2.7/user/coveragence/ title="Test coverage report" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27usercoveragence><span>Test coverage</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userbenchmark-tool-li><input type=checkbox id=m-endocsv27userbenchmark-tool-check> |
| <label for=m-endocsv27userbenchmark-tool-check><a href=/en/docs/v2.7/user/benchmark-tool/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userbenchmark-tool><span>Benchmark Suite</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userrest-li><input type=checkbox id=m-endocsv27userrest-check> |
| <label for=m-endocsv27userrest-check><a href=/en/docs/v2.7/user/rest/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userrest><span>REST support</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27usersimple-monitor-li><input type=checkbox id=m-endocsv27usersimple-monitor-check> |
| <label for=m-endocsv27usersimple-monitor-check><a href=/en/docs/v2.7/user/simple-monitor/ title="Simple Monitor" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27usersimple-monitor><span>Simple monitor</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27userlanguages-li><input type=checkbox id=m-endocsv27userlanguages-check> |
| <label for=m-endocsv27userlanguages-check><a href=/en/docs/v2.7/user/languages/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27userlanguages><span>Other Languages</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27userlanguageserlang-li><input type=checkbox id=m-endocsv27userlanguageserlang-check> |
| <label for=m-endocsv27userlanguageserlang-check><a href=/en/docs/v2.7/user/languages/erlang/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27userlanguageserlang><span>Erlang</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userlanguageserlangquick-start-li><input type=checkbox id=m-endocsv27userlanguageserlangquick-start-check> |
| <label for=m-endocsv27userlanguageserlangquick-start-check><a href=/en/docs/v2.7/user/languages/erlang/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userlanguageserlangquick-start><span>Quick Start</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userlanguageserlangreference-li><input type=checkbox id=m-endocsv27userlanguageserlangreference-check> |
| <label for=m-endocsv27userlanguageserlangreference-check><a href=/en/docs/v2.7/user/languages/erlang/reference/ title="Consumer Configuration" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userlanguageserlangreference><span>Consumer</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userlanguageserlangservice-li><input type=checkbox id=m-endocsv27userlanguageserlangservice-check> |
| <label for=m-endocsv27userlanguageserlangservice-check><a href=/en/docs/v2.7/user/languages/erlang/service/ title="Provider Configuration" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userlanguageserlangservice><span>Provider</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27userlanguageserlangserialization-li><input type=checkbox id=m-endocsv27userlanguageserlangserialization-check> |
| <label for=m-endocsv27userlanguageserlangserialization-check><a href=/en/docs/v2.7/user/languages/erlang/serialization/ title="Protocol Configuration" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27userlanguageserlangserialization><span>Protocol</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-endocsv27dev-li><input type=checkbox id=m-endocsv27dev-check> |
| <label for=m-endocsv27dev-check><a href=/en/docs/v2.7/dev/ title="Dubbo Developer Guide" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27dev><span>Developer</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devbuild-li><input type=checkbox id=m-endocsv27devbuild-check> |
| <label for=m-endocsv27devbuild-check><a href=/en/docs/v2.7/dev/build/ title="Source Code Build" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devbuild><span>Build</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devdesign-li><input type=checkbox id=m-endocsv27devdesign-check> |
| <label for=m-endocsv27devdesign-check><a href=/en/docs/v2.7/dev/design/ title="Framework Design" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devdesign><span>Design</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devspi-li><input type=checkbox id=m-endocsv27devspi-check> |
| <label for=m-endocsv27devspi-check><a href=/en/docs/v2.7/dev/spi/ title="SPI Loading" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devspi><span>SPI</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplementation-li><input type=checkbox id=m-endocsv27devimplementation-check> |
| <label for=m-endocsv27devimplementation-check><a href=/en/docs/v2.7/dev/implementation/ title="Implementation details" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplementation><span>Implementation</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27devprincipals-li><input type=checkbox id=m-endocsv27devprincipals-check> |
| <label for=m-endocsv27devprincipals-check><a href=/en/docs/v2.7/dev/principals/ title="Dubbo Design Principals" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27devprincipals><span>Design Principals</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devprincipalscode-detail-li><input type=checkbox id=m-endocsv27devprincipalscode-detail-check> |
| <label for=m-endocsv27devprincipalscode-detail-check><a href=/en/docs/v2.7/dev/principals/code-detail/ title="The Devil Is In The Details" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devprincipalscode-detail><span>Details</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devprincipalsconfiguration-li><input type=checkbox id=m-endocsv27devprincipalsconfiguration-check> |
| <label for=m-endocsv27devprincipalsconfiguration-check><a href=/en/docs/v2.7/dev/principals/configuration/ title="The Configuration Design" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devprincipalsconfiguration><span>Configuration</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devprincipalsdummy-li><input type=checkbox id=m-endocsv27devprincipalsdummy-check> |
| <label for=m-endocsv27devprincipalsdummy-check><a href=/en/docs/v2.7/dev/principals/dummy/ title=' "Fool-proof" Design' class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devprincipalsdummy><span>Fool-proof</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devprincipalsexpansibility-li><input type=checkbox id=m-endocsv27devprincipalsexpansibility-check> |
| <label for=m-endocsv27devprincipalsexpansibility-check><a href=/en/docs/v2.7/dev/principals/expansibility/ title="Talk About Expansion Of Extension And Incremental Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devprincipalsexpansibility><span>Extensibility</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devprincipalsextension-li><input type=checkbox id=m-endocsv27devprincipalsextension-check> |
| <label for=m-endocsv27devprincipalsextension-check><a href=/en/docs/v2.7/dev/principals/extension/ title="Extension Points To Reconstruct" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devprincipalsextension><span>Extension</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devprincipalsgeneral-knowledge-li><input type=checkbox id=m-endocsv27devprincipalsgeneral-knowledge-check> |
| <label for=m-endocsv27devprincipalsgeneral-knowledge-check><a href=/en/docs/v2.7/dev/principals/general-knowledge/ title="Some In The Design Of The Basic Common Sense" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devprincipalsgeneral-knowledge><span>General Rule</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devprincipalsrobustness-li><input type=checkbox id=m-endocsv27devprincipalsrobustness-check> |
| <label for=m-endocsv27devprincipalsrobustness-check><a href=/en/docs/v2.7/dev/principals/robustness/ title="The Robustness Of The Design Implementation" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devprincipalsrobustness><span>Robustness</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27devimpls-li><input type=checkbox id=m-endocsv27devimpls-check> |
| <label for=m-endocsv27devimpls-check><a href=/en/docs/v2.7/dev/impls/ title="SPI Extension Implementations" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27devimpls><span>SPI Impls</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsprotocol-li><input type=checkbox id=m-endocsv27devimplsprotocol-check> |
| <label for=m-endocsv27devimplsprotocol-check><a href=/en/docs/v2.7/dev/impls/protocol/ title="Protocol Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsprotocol><span>Protocol</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsfilter-li><input type=checkbox id=m-endocsv27devimplsfilter-check> |
| <label for=m-endocsv27devimplsfilter-check><a href=/en/docs/v2.7/dev/impls/filter/ title="Filter Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsfilter><span>Filter</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsinvoker-listener-li><input type=checkbox id=m-endocsv27devimplsinvoker-listener-check> |
| <label for=m-endocsv27devimplsinvoker-listener-check><a href=/en/docs/v2.7/dev/impls/invoker-listener/ title="InvokerListener Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsinvoker-listener><span>InvokerListener</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsexporter-listener-li><input type=checkbox id=m-endocsv27devimplsexporter-listener-check> |
| <label for=m-endocsv27devimplsexporter-listener-check><a href=/en/docs/v2.7/dev/impls/exporter-listener/ title="ExporterListener Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsexporter-listener><span>ExporterListener</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplscluster-li><input type=checkbox id=m-endocsv27devimplscluster-check> |
| <label for=m-endocsv27devimplscluster-check><a href=/en/docs/v2.7/dev/impls/cluster/ title="Cluster Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplscluster><span>Cluster</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsrouter-li><input type=checkbox id=m-endocsv27devimplsrouter-check> |
| <label for=m-endocsv27devimplsrouter-check><a href=/en/docs/v2.7/dev/impls/router/ title="Router Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsrouter><span>Router</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsload-balance-li><input type=checkbox id=m-endocsv27devimplsload-balance-check> |
| <label for=m-endocsv27devimplsload-balance-check><a href=/en/docs/v2.7/dev/impls/load-balance/ title="LoadBalance Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsload-balance><span>LoadBalance</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsmerger-li><input type=checkbox id=m-endocsv27devimplsmerger-check> |
| <label for=m-endocsv27devimplsmerger-check><a href=/en/docs/v2.7/dev/impls/merger/ title="Merger Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsmerger><span>Merger</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsregistry-li><input type=checkbox id=m-endocsv27devimplsregistry-check> |
| <label for=m-endocsv27devimplsregistry-check><a href=/en/docs/v2.7/dev/impls/registry/ title="Registry Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsregistry><span>Registry</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsmonitor-li><input type=checkbox id=m-endocsv27devimplsmonitor-check> |
| <label for=m-endocsv27devimplsmonitor-check><a href=/en/docs/v2.7/dev/impls/monitor/ title="Monitor Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsmonitor><span>Monitor</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsextension-factory-li><input type=checkbox id=m-endocsv27devimplsextension-factory-check> |
| <label for=m-endocsv27devimplsextension-factory-check><a href=/en/docs/v2.7/dev/impls/extension-factory/ title="ExtensionFactory Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsextension-factory><span>ExtensionFactory</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsproxy-factory-li><input type=checkbox id=m-endocsv27devimplsproxy-factory-check> |
| <label for=m-endocsv27devimplsproxy-factory-check><a href=/en/docs/v2.7/dev/impls/proxy-factory/ title="ProxyFactory Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsproxy-factory><span>ProxyFactory</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplscompiler-li><input type=checkbox id=m-endocsv27devimplscompiler-check> |
| <label for=m-endocsv27devimplscompiler-check><a href=/en/docs/v2.7/dev/impls/compiler/ title="Compiler Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplscompiler><span>Compiler</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsconfig-center-li><input type=checkbox id=m-endocsv27devimplsconfig-center-check> |
| <label for=m-endocsv27devimplsconfig-center-check><a href=/en/docs/v2.7/dev/impls/config-center/ title="Dubbo Configuration Center Extensions" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsconfig-center><span>Config Center</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsdispatcher-li><input type=checkbox id=m-endocsv27devimplsdispatcher-check> |
| <label for=m-endocsv27devimplsdispatcher-check><a href=/en/docs/v2.7/dev/impls/dispatcher/ title="Dispatcher Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsdispatcher><span>Dispatcher</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsthreadpool-li><input type=checkbox id=m-endocsv27devimplsthreadpool-check> |
| <label for=m-endocsv27devimplsthreadpool-check><a href=/en/docs/v2.7/dev/impls/threadpool/ title="ThreadPool Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsthreadpool><span>ThreadPool</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsserialize-li><input type=checkbox id=m-endocsv27devimplsserialize-check> |
| <label for=m-endocsv27devimplsserialize-check><a href=/en/docs/v2.7/dev/impls/serialize/ title="Serialization Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsserialize><span>Serialization</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsremoting-li><input type=checkbox id=m-endocsv27devimplsremoting-check> |
| <label for=m-endocsv27devimplsremoting-check><a href=/en/docs/v2.7/dev/impls/remoting/ title="Transporter Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsremoting><span>Transporter</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsexchanger-li><input type=checkbox id=m-endocsv27devimplsexchanger-check> |
| <label for=m-endocsv27devimplsexchanger-check><a href=/en/docs/v2.7/dev/impls/exchanger/ title="Exchanger Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsexchanger><span>Exchanger</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsnetworker-li><input type=checkbox id=m-endocsv27devimplsnetworker-check> |
| <label for=m-endocsv27devimplsnetworker-check><a href=/en/docs/v2.7/dev/impls/networker/ title="Networker Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsnetworker><span>Networker</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplstelnet-handler-li><input type=checkbox id=m-endocsv27devimplstelnet-handler-check> |
| <label for=m-endocsv27devimplstelnet-handler-check><a href=/en/docs/v2.7/dev/impls/telnet-handler/ title="TelnetHandler Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplstelnet-handler><span>TelnetHandler</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsstatus-checker-li><input type=checkbox id=m-endocsv27devimplsstatus-checker-check> |
| <label for=m-endocsv27devimplsstatus-checker-check><a href=/en/docs/v2.7/dev/impls/status-checker/ title="StatusChecker Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsstatus-checker><span>StatusChecker</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplscontainer-li><input type=checkbox id=m-endocsv27devimplscontainer-check> |
| <label for=m-endocsv27devimplscontainer-check><a href=/en/docs/v2.7/dev/impls/container/ title="Container Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplscontainer><span>Container</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplspage-li><input type=checkbox id=m-endocsv27devimplspage-check> |
| <label for=m-endocsv27devimplspage-check><a href=/en/docs/v2.7/dev/impls/page/ title="PageHandler Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplspage><span>PageHandler</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplscache-li><input type=checkbox id=m-endocsv27devimplscache-check> |
| <label for=m-endocsv27devimplscache-check><a href=/en/docs/v2.7/dev/impls/cache/ title="Cache Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplscache><span>Cache</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplsvalidation-li><input type=checkbox id=m-endocsv27devimplsvalidation-check> |
| <label for=m-endocsv27devimplsvalidation-check><a href=/en/docs/v2.7/dev/impls/validation/ title="Validation Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplsvalidation><span>Validation</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devimplslogger-adapter-li><input type=checkbox id=m-endocsv27devimplslogger-adapter-check> |
| <label for=m-endocsv27devimplslogger-adapter-check><a href=/en/docs/v2.7/dev/impls/logger-adapter/ title="LoggerAdapter Extension" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devimplslogger-adapter><span>LoggerAdapter</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devcontract-li><input type=checkbox id=m-endocsv27devcontract-check> |
| <label for=m-endocsv27devcontract-check><a href=/en/docs/v2.7/dev/contract/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devcontract><span>Public Agreement</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devrelease-li><input type=checkbox id=m-endocsv27devrelease-check> |
| <label for=m-endocsv27devrelease-check><a href=/en/docs/v2.7/dev/release/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devrelease><span>Versions</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devchecklist-li><input type=checkbox id=m-endocsv27devchecklist-check> |
| <label for=m-endocsv27devchecklist-check><a href=/en/docs/v2.7/dev/checklist/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devchecklist><span>Checklist</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devcode-smell-li><input type=checkbox id=m-endocsv27devcode-smell-check> |
| <label for=m-endocsv27devcode-smell-check><a href=/en/docs/v2.7/dev/code-smell/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devcode-smell><span>Bad Smell</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devcoding-li><input type=checkbox id=m-endocsv27devcoding-check> |
| <label for=m-endocsv27devcoding-check><a href=/en/docs/v2.7/dev/coding/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devcoding><span>Coding Convention</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27devtck-li><input type=checkbox id=m-endocsv27devtck-check> |
| <label for=m-endocsv27devtck-check><a href=/en/docs/v2.7/dev/tck/ title="Compatibility Test" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27devtck><span>TCK</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27admin-li><input type=checkbox id=m-endocsv27admin-check> |
| <label for=m-endocsv27admin-check><a href=/en/docs/v2.7/admin/ title="Admin Guide" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27admin><span>Admin</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27adminops-li><input type=checkbox id=m-endocsv27adminops-check> |
| <label for=m-endocsv27adminops-check><a href=/en/docs/v2.7/admin/ops/ title="Dubbo Admin Guide" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27adminops><span>Dubbo Admin</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopsfunctions-li><input type=checkbox id=m-endocsv27adminopsfunctions-check> |
| <label for=m-endocsv27adminopsfunctions-check><a href=/en/docs/v2.7/admin/ops/functions/ title="Dubbo Admin Functions" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopsfunctions><span>Functions</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopsintroduction-li><input type=checkbox id=m-endocsv27adminopsintroduction-check> |
| <label for=m-endocsv27adminopsintroduction-check><a href=/en/docs/v2.7/admin/ops/introduction/ title="Dubbo Admin Introductions" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopsintroduction><span>Introductions</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopssearch-li><input type=checkbox id=m-endocsv27adminopssearch-check> |
| <label for=m-endocsv27adminopssearch-check><a href=/en/docs/v2.7/admin/ops/search/ title="Service Search And Service Detail" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopssearch><span>Search</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopstest-li><input type=checkbox id=m-endocsv27adminopstest-check> |
| <label for=m-endocsv27adminopstest-check><a href=/en/docs/v2.7/admin/ops/test/ title="Service Test" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopstest><span>Test</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopsapidocs-li><input type=checkbox id=m-endocsv27adminopsapidocs-check> |
| <label for=m-endocsv27adminopsapidocs-check><a href=/en/docs/v2.7/admin/ops/apidocs/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopsapidocs><span>API Docs&Test</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopsgovernance-li><input type=checkbox id=m-endocsv27adminopsgovernance-check> |
| <label for=m-endocsv27adminopsgovernance-check><a href=/en/docs/v2.7/admin/ops/governance/ title="Service Governance And Configuration Management" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopsgovernance><span>Governance</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopspinpoint-li><input type=checkbox id=m-endocsv27adminopspinpoint-check> |
| <label for=m-endocsv27adminopspinpoint-check><a href=/en/docs/v2.7/admin/ops/pinpoint/ title="Tracking with Pinpoint" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopspinpoint><span>Pinpoint</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27adminopsskywalking-li><input type=checkbox id=m-endocsv27adminopsskywalking-check> |
| <label for=m-endocsv27adminopsskywalking-check><a href=/en/docs/v2.7/admin/ops/skywalking/ title="Tracing Dubbo service with Apache Skywalking" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27adminopsskywalking><span>Skywalking</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv27admininstall-li><input type=checkbox id=m-endocsv27admininstall-check> |
| <label for=m-endocsv27admininstall-check><a href=/en/docs/v2.7/admin/install/ title="Dubbo Installation Guide" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv27admininstall><span>Installation</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27admininstalladmin-console-li><input type=checkbox id=m-endocsv27admininstalladmin-console-check> |
| <label for=m-endocsv27admininstalladmin-console-check><a href=/en/docs/v2.7/admin/install/admin-console/ title="Install Admin Console" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27admininstalladmin-console><span>Admin Console</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27admininstallprovider-demo-li><input type=checkbox id=m-endocsv27admininstallprovider-demo-check> |
| <label for=m-endocsv27admininstallprovider-demo-check><a href=/en/docs/v2.7/admin/install/provider-demo/ title="Install Demo Provider" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27admininstallprovider-demo><span>Demo Provider</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27admininstallconsumer-demo-li><input type=checkbox id=m-endocsv27admininstallconsumer-demo-check> |
| <label for=m-endocsv27admininstallconsumer-demo-check><a href=/en/docs/v2.7/admin/install/consumer-demo/ title="Install Demo Consumer" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27admininstallconsumer-demo><span>Demo Consumer</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27admininstallzookeeper-li><input type=checkbox id=m-endocsv27admininstallzookeeper-check> |
| <label for=m-endocsv27admininstallzookeeper-check><a href=/en/docs/v2.7/admin/install/zookeeper/ title="install Zookeeper Configuration Center" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27admininstallzookeeper><span>Config Center</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27admininstallredis-li><input type=checkbox id=m-endocsv27admininstallredis-check> |
| <label for=m-endocsv27admininstallredis-check><a href=/en/docs/v2.7/admin/install/redis/ title="Install Redis Register Center" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27admininstallredis><span>Register Center</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv27admininstallmonitor-center-li><input type=checkbox id=m-endocsv27admininstallmonitor-center-check> |
| <label for=m-endocsv27admininstallmonitor-center-check><a href=/en/docs/v2.7/admin/install/monitor-center/ title="Install Simple monitor center" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv27admininstallmonitor-center><span>Monitor Center</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-endocsv30-li><input type=checkbox id=m-endocsv30-check> |
| <label for=m-endocsv30-check><a href=/en/docs/v3.0/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv30><span>Dubbo 3.0</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv30loadbalance-li><input type=checkbox id=m-endocsv30loadbalance-check> |
| <label for=m-endocsv30loadbalance-check><a href=/en/docs/v3.0/loadbalance/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv30loadbalance><span>Load Balance</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv30whats-new-in-dubbo3-li><input type=checkbox id=m-endocsv30whats-new-in-dubbo3-check> |
| <label for=m-endocsv30whats-new-in-dubbo3-check><a href=/en/docs/v3.0/whats-new-in-dubbo3/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv30whats-new-in-dubbo3><span>What's new in Apache Dubbo 3.x?</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv30references-li><input type=checkbox id=m-endocsv30references-check> |
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| <label for=m-endocsfaq-check><a href=/en/docs/faq/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsfaq><span>FAQ - Frequently Asked Questions</span></a></label></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://dubbo.apache.org/en/docs/>Documentation</a></li><li class=breadcrumb-item><a href=https://dubbo.apache.org/en/docs/v2.7/>Dubbo 2.7</a></li><li class=breadcrumb-item><a href=https://dubbo.apache.org/en/docs/v2.7/dev/>Developer</a></li><li class=breadcrumb-item><a href=https://dubbo.apache.org/en/docs/v2.7/dev/principals/>Design Principals</a></li><li class="breadcrumb-item active" aria-current=page><a href=https://dubbo.apache.org/en/docs/v2.7/dev/principals/configuration/ aria-disabled=true class="btn-link disabled">Configuration</a></li></ol></nav><div class=td-content><h1>The Configuration Design</h1><header class=article-meta></header><blockquote><p><a href=http://javatar.iteye.com/blog/949527>http://javatar.iteye.com/blog/949527</a></p></blockquote><p>Dubbo design is now completely unobtrusive, namely the user only depends on the configuration of contract.After multiple versions of the development, in order to meet the demand of various scenarios, configuration is more and more.In order to maintain compatibility with only grow, lurking inside all sorts of styles, convention, rules.The new version will also be configured for a adjustment, remove the dubbo, properties, instead of all the spring configuration.Will think of some written in this memo.</p><h2 id=classification-of-configuration>Classification of configuration</h2><p>First of all, the purpose is to have a variety of configuration, which can be roughly divided into:</p><ol start=0><li>Environment configuration, such as: the number of connections, the timeout configuration, etc.</li><li>Describe the configuration, such as: service interface description, service version, etc.</li><li>Extension configuration, such as: protocol extension, strategy to expand, etc.</li></ol><h2 id=configuration-format>Configuration format</h2><p>Usually environment configuration, using the configuration properties will be more convenient, because is some simple discrete values, with the key - value configuration can reduce the learning cost configuration.</p><p>Describe the configuration, information more often, and even have a hierarchy, using XML configuration would be more convenient, because the tree structure configuration expression was stronger.If very complex, and can also custom DSL as configuration.Sometimes such configuration can also use the Annotation instead of, because the configuration and related business logic, in the code is also reasonable.</p><p>Another extension configuration, which may be different.If only policy interface implementation class to replace, can consider the properties of the structure.If there is a complex life cycle management, may need to configure such as XML.Sometimes extended by registering interface provided.</p><h2 id=configuration-is-loaded>Configuration is loaded</h2><p>For environment configuration, in the Java world, comparing to conventional approach, was agreed in a project under the classpath for the name of the configuration properties, such as: log4j. Properties, velocity. The properties and so on.Product during initialization, automatically from the classpath under loading the configuration.Our platform of many programs use a similar strategy, such as: dubbo. Properties, comsat. XML, etc.This has its advantages, is based on agreement, simplifies the user to configure the loading process of intervention.But also has its disadvantages, when the classpath is the same configuration, may be loaded by mistake, and when this isolation, may can’t find the configuration, and, when the user wants to configure into the unified directory, not very convenient.</p><p>Dubbo new version removes <code>dubbo.properties</code>, because the contract often conflicts configuration.</p><p>And to describe the configuration, because want to participate in the business logic, usually embedded into the application of life cycle management.There are more and more using spring projects, directly using the spring configuration is common, and spring permits custom schema, configuration simplified is very convenient.Also has its disadvantages, of course, is strongly dependent on the spring, can ask programming interface to do the matching scheme</p><p>In Dubbo configuration is described, but also environment configuration.Part with spring schame configuration is loaded, in part, from the classpath scanning properties configuration is loaded.Users feel very inconvenient, so in the new version of the merged, unified into spring schame configuration load, also increases the flexibility of configuration.</p><p>Extension configuration, usually to the configuration of aggregate demand is higher.Because the product need to find the third party implementation, add it to the product inside.Agreed in the Java world, usually in a specified file each jar package down load, such as: the eclipse plugin. The XML, struts 2 struts - plugin. XML, and so on, this kind of configuration can consider Java standard service discovery mechanisms, namely in the jar meta-inf/services placed under the interface class name file, content is an implementation class name of the class in a row, like encryption algorithm in the JDK extension, the script engine extension, new JDBC driver, etc., are all in this way.see：<a href=https://docs.oracle.com/en/cloud/saas/financials/22a/fafcf/service-provider-models.html>ServiceProvider Provider</a>。</p><p>Dubbo old version under each jar package through agreement, place called Dubbo - context. The spring configuration XML extensions and integration, the new version to use the JDK’s own meta-inf/services, spring from too much dependence.</p><h2 id=programmable-configuration>Programmable configuration</h2><p>Configuration of programmability is very necessary, no matter in what way you load the configuration file, should provide a programming way of configuration, allows the user to not using a configuration file, complete the configuration process with code directly.As a product, especially the component products, usually require collaboration use and other products, when a user integration of your product, may need adapter configuration mode.</p><p>Dubbo new version offers one-on-one configuration class with XML configuration, such as: ServiceConfig corresponding <code>< Dubbo: service / ></code>, and one-to-one attributes, this configuration file configuration and programming the consistency of the understanding, reduce the learning cost.</p><h2 id=configure-the-default>Configure the default</h2><p>Configuration of the default, usually set the reasonable value of a regular environment, thus reducing the user’s configuration.Is generally recommended that in online environment for reference, the development environment can adapt by changing the configuration.The default Settings, had better be in the outermost configuration do processing load.The underlying program if found configuration is not correct, you should direct error, fault tolerance in the outermost layer.If, when the underlying program to use, found unreasonable configuration values, just fill a default value, it is easy to cover up the surface, and trigger a deeper problem.And configuration of the middle layer, probably don’t know the underlying USES a default value, some may be failure in the middle of the testing conditions.Dubbo first appeared in this problem, the middle layer with “address” as the cache Key, and the bottom, to “address” a default port number, lead to don’t add port number “address” and add the default port “address” did not use the same cache.</p><h2 id=configuration-consistency>Configuration consistency</h2><p>Configuration is always implied some style or hidden rules, should as far as possible to keep its consistency.For example: a lot of functions have switch, and then have a configuration value：</p><ol start=0><li>Whether to use the registry, the registry address.</li><li>Whether to allow a retry, retries.</li></ol><p>You may agree:</p><ol start=0><li>Each is to configure a Boolean type of switch, to configure a value.</li><li>On behalf of the closed with an invalid values, N/A address 0 retries, etc.</li></ol><p>No matter which way, all the configuration items, should keep the same style, Dubbo selected is the second.Also, similar to that of timeout, retry time, timer interval.If a unit is second, another unit is milliseconds (C3P0 configuration item is) so, staff will be crazy.</p><h2 id=configuration-coverage>Configuration coverage</h2><p>Provide configuration, want to consider developers, testers, piping, the system administrator.Testers can’t modify the code, and test environment is likely to be more complex, need to have some set aside for testers “back door”, can be modified in the peripheral configuration items.Like spring is accomplished configuration, support <code>SYSTEM_PROPERTIES_MODE_OVERRIDE</code>, can through the JVM -d parameters, or like hosts agreed a cover configuration files, on the outside of the program, modify some configuration, easy to test.</p><p>Dubbo support through the JVM parameter <code>- Dcom. XXX. XxxService = Dubbo: / / 10.1.1.1:1234</code> directly make the remote service call bypass registry, point to point test.There is a kind of situation, developers to increase the configuration, can according to the deployment of online configuration, such as: <code>< dubbo: registry address = "${dubbo. Registry. Address}" / ></code> because only one online registry, this configuration is no problem, and the testing environment may have two registry, testers can’t to modify configuration, changed to: |
| <code><dubbo:registry address="${dubbo.registry.address1}" /></code>， |
| <code><dubbo:registry address="${dubbo.registry.address2}" /></code>，So this place, Dubbo support in the ${Dubbo. Registry. Address} value, through vertical dividing multiple registry addresses, used to represent a registry address.</p><h2 id=configuration-inheritance>Configuration inheritance</h2><p>Configuration is also “duplicate code”, there is also a “generalization and elaboration” problem.Such as: Dubbo timeout Settings, each service, and each method, should be can set the timeout.But a lot of service don’t care about overtime, if required each method configuration, it is not realistic.So Dubbo adopted method inherit service timeout, overtime service timeout to inherit the default timeout, no configuration, opens up search.</p><p>Dubbo, moreover, the old version all the timeout, retries, load balancing strategies are only in the service consumer configuration.But in the process of actual use, found that the service provider knows better than consumer, but the configuration items are used in consumer.The new version, joined in the provider can match these parameters, through the registry to the consumer,As a reference, if there is no configuration, consumer to provide configuration shall prevail, the equivalent of consumption ji-cheng fang the provider’s advice configuration values.And at the time of the relay configuration registry, can also be on the way to modify configuration, so that achieve the purpose of governance, the equivalent of inheritance relationship：Service consumers –> Registry –> Service provider |
| Dubbo, moreover, the old version all the timeout, retries, load balancing strategies are only in the service consumer configuration.But in the process of actual use, found that the service provider knows better than consumer, but the configuration items are used in consumer.The new version, joined in the provider can match these parameters, through the registry to the consumer.</p><p><img src=/imgs/dev/configuration-override.png alt=configuration-override></p><h2 id=configuration-backward-compatibility>Configuration backward compatibility</h2><p>Forwards compatibility is very good, as long as you guarantee configuration only grow, basically can guarantee forwards compatibility.But backward compatibility, but also should pay attention to, to prepare for subsequent to join the new configuration items.If a special configuration in configuration, you should make an appointment a compatibility for the “special” case rules, because the special case, probably will happen later.For example, have a configuration file is save “service = address mapping”, one of the special line, is saved “registry = address”.Now application load time to define “registry” the Key is special, do special processing, the other is “service”.New version found, however, to add a “monitoring center” = address, at this point, the old version of the program will handle “monitoring center” as a “service”, because the old code can’t be change, compatibility is will be very troublesome.If previously agreed upon in the “special” logo + XXX for special treatment, follow-up will be more convenient.</p><p>Backward compatibility, can learn a lot from HTML5, refer to：<a href=http://javatar.iteye.com/blog/949390>HTML5 design principle</a></p><div id=pre-footer><h2>Feedback</h2><p class=feedback--prompt>Was this page helpful?</p><button class="btn btn-primary mb-4 feedback--yes">Yes</button> |
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