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<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&amp;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>
<label for=m-endocsv30references-check><a href=/en/docs/v3.0/references/ title="Function Reference Manual" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv30references><span>Reference</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv30referenceslifecycle-li><input type=checkbox id=m-endocsv30referenceslifecycle-check>
<label for=m-endocsv30referenceslifecycle-check><a href=/en/docs/v3.0/references/lifecycle/ title="Align with Kubernetes Lifecycle" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-endocsv30referenceslifecycle><span>Probe</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv30referenceslifecyclebrief-li><input type=checkbox id=m-endocsv30referenceslifecyclebrief-check>
<label for=m-endocsv30referenceslifecyclebrief-check><a href=/en/docs/v3.0/references/lifecycle/brief/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv30referenceslifecyclebrief><span>Brief</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv30referenceslifecycleliveness-li><input type=checkbox id=m-endocsv30referenceslifecycleliveness-check>
<label for=m-endocsv30referenceslifecycleliveness-check><a href=/en/docs/v3.0/references/lifecycle/liveness/ title="Liveness Probe" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv30referenceslifecycleliveness><span>Liveness</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv30referenceslifecyclereadiness-li><input type=checkbox id=m-endocsv30referenceslifecyclereadiness-check>
<label for=m-endocsv30referenceslifecyclereadiness-check><a href=/en/docs/v3.0/references/lifecycle/readiness/ title="Readiness Probe" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv30referenceslifecyclereadiness><span>Readiness</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-endocsv30referenceslifecyclestartup-li><input type=checkbox id=m-endocsv30referenceslifecyclestartup-check>
<label for=m-endocsv30referenceslifecyclestartup-check><a href=/en/docs/v3.0/references/lifecycle/startup/ title="Startup Probe" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-endocsv30referenceslifecyclestartup><span>Startup</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-endocsv30referencesgraalvm-li><input type=checkbox id=m-endocsv30referencesgraalvm-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/user/>User</a></li><li class=breadcrumb-item><a href=https://dubbo.apache.org/en/docs/v2.7/user/examples/>Examples</a></li><li class="breadcrumb-item active" aria-current=page><a href=https://dubbo.apache.org/en/docs/v2.7/user/examples/routing-rule/ aria-disabled=true class="btn-link disabled">Routing Rule</a></li></ol></nav><div class=td-content><h1>Routing Rule</h1><div class=lead>Config routing rule in dubbo</div><header class=article-meta></header><p>The routing rules <sup id=fnref:1><a href=#fn:1 class=footnote-ref role=doc-noteref>1</a></sup> determine the target server of one service call. It has two kinds of routing rules: conditional routing rules and script routing rules. It also support extension<sup id=fnref:2><a href=#fn:2 class=footnote-ref role=doc-noteref>2</a></sup>.</p><h2 id=write-routing-rules>Write Routing Rules</h2><p>Writing routing rules to the registry is usually done by the monitoring center or the console page.</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-java data-lang=java><span style=display:flex><span>RegistryFactory registryFactory <span style=color:#719e07>=</span> ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
</span></span><span style=display:flex><span>Registry registry <span style=color:#719e07>=</span> registryFactory.getRegistry(URL.valueOf(<span style=color:#2aa198>&#34;zookeeper://10.20.153.10:2181&#34;</span>));
</span></span><span style=display:flex><span>registry.register(URL.valueOf(<span style=color:#2aa198>&#34;route://0.0.0.0/com.foo.BarService?category=routers&amp;dynamic=false&amp;rule=&#34;</span> <span style=color:#719e07>+</span> URL.encode(<span style=color:#2aa198>&#34;host = 10.20.153.10 =&gt; host = 10.20.153.11&#34;</span>)));
</span></span></code></pre></div><p>其中:</p><ul><li><code>route://</code> It indicates the type of routing rules, supports routing rules and script routing rules, and can be extended. <strong>Required</strong></li><li><code>0.0.0.0</code> It indicates that all IP addresses are valid. If you want to take effect for only one IP address, fill in the IP address. <strong>Required</strong></li><li><code>com.foo.BarService</code> It indicates that the specified service is effective. <strong>Required</strong></li><li><code>group=foo</code> It indicates that the specified service in specified group is effective. When absent, the specified service which dosen&rsquo;t configure group is effective.</li><li><code>version=1.0</code>It indicates that the specified service in specified version is effective. When absent, the specified service which dosen&rsquo;t configure version is effective.</li><li><code>category=routers</code> It indicates that the data is a dynamic configuration type. <strong>Required</strong></li><li><code>dynamic=false</code> It indicates that it is persistent data. When the registrant exits, the data is still stored in the registry. <strong>Required</strong></li><li><code>enabled=true</code> It indicates whether this routing rules is effective. Option, and default effective.</li><li><code>force=false</code> It indicates whether it is forced to be executed when the routing result is null. If it is not enforced, the route will be automatically invalidated. Option, and default <code>false</code>.</li><li><code>runtime=false</code> It indicates whether to execute routing rules at every call. If not, the result is only pre-executed and cached when the provider&rsquo;s address list changes. It will get routing result from cache when the service is invoked. If you use parameter routing, you must to configure it as <code>true</code>. Be careful that the configuration will affect the performance. Option, and default <code>false</code>.</li><li><code>priority=1</code> The priority of the routing rules. it is used for sorting, the greater the priority, the more front execution. Option, and default <code>0</code></li><li><code>rule=URL.encode("host = 10.20.153.10 => host = 10.20.153.11")</code> It indicates the content of routing rule,<strong>Required</strong></li></ul><h2 id=conditional-routing-rules>Conditional routing rules</h2><p>Routing rules based on conditional expressions, such as:<code>host = 10.20.153.10 => host = 10.20.153.11</code></p><h3 id=rules>Rules:</h3><ul><li>The previous of <code>=></code> is matched condition for consumer. All parameters compare with URL of consumers. When the consumer meet the condition, it will continue to execute the behind filter rules for consumer.</li><li>After the <code>=></code> aims to filter the provider address list. All the parameters are compared against the provider&rsquo;s URL, and consumer get only the filtered address list at finally.</li><li>If the previous condition for consumer is empty, it means all consumers can matched. such as : <code>=> host != 10.20.153.11</code></li><li>If the filter condition for provider is empty, it means it is forbidden to visit. such as :<code>host = 10.20.153.10 =></code></li></ul><h3 id=expressions>Expressions:</h3><p>Parameter Support:</p><ul><li>Service call information, such as: method, argument etc. Parameter routing is currently not supported</li><li>URL field (On URL own), such as: protocol, host, port etc.</li><li>All parameters on the URL. such as: application, organization etc.</li></ul><p>Condition Support:</p><ul><li>Equal sign <code>=</code> indicates match. such as: <code>host = 10.20.153.10</code></li><li>Not equal sign <code>!=</code> indicates &ldquo;does not match&rdquo;. such as: <code>host != 10.20.153.10</code>.</li></ul><p>Value Support:</p><ul><li>Separate multiple values with a comma <code>,</code> . Such as:<code>host != 10.20.153.10,10.20.153.11</code></li><li>End with <code>*</code> to indicate wildcard. Such as: <code>host != 10.20.*</code></li><li>Start with <code>$</code> to indicate reference to consumer parameters. Such as: <code>host = $host</code></li></ul><h3 id=samples>Samples</h3><ol start=0><li><p>Exclude pre-release machine:</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-fallback data-lang=fallback><span style=display:flex><span>=&gt; host != 172.22.3.91
</span></span></code></pre></div></li><li><p>Whitelist <sup id=fnref:3><a href=#fn:3 class=footnote-ref role=doc-noteref>3</a></sup></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-fallback data-lang=fallback><span style=display:flex><span>register.ip != 10.20.153.10,10.20.153.11 =&gt;
</span></span></code></pre></div></li><li><p>Blacklist:</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-fallback data-lang=fallback><span style=display:flex><span>register.ip = 10.20.153.10,10.20.153.11 =&gt;
</span></span></code></pre></div></li><li><p>Service boarding application only expose part of the machine to prevent the entire cluster hanging up:</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-fallback data-lang=fallback><span style=display:flex><span>=&gt; host = 172.22.3.1*,172.22.3.2*
</span></span></code></pre></div></li><li><p>Additional machines for important applications:</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-fallback data-lang=fallback><span style=display:flex><span>application != kylin =&gt; host != 172.22.3.95,172.22.3.96
</span></span></code></pre></div></li><li><p>Read and write separation:</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-fallback data-lang=fallback><span style=display:flex><span>method = find*,list*,get*,is* =&gt; host = 172.22.3.94,172.22.3.95,172.22.3.96
</span></span><span style=display:flex><span>method != find*,list*,get*,is* =&gt; host = 172.22.3.97,172.22.3.98
</span></span></code></pre></div></li><li><p>Separation of Front and Background Application:</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-fallback data-lang=fallback><span style=display:flex><span>application = bops =&gt; host = 172.22.3.91,172.22.3.92,172.22.3.93
</span></span><span style=display:flex><span>application != bops =&gt; host = 172.22.3.94,172.22.3.95,172.22.3.96
</span></span></code></pre></div></li><li><p>Isolate different network segments:</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-fallback data-lang=fallback><span style=display:flex><span>host != 172.22.3.* =&gt; host != 172.22.3.*
</span></span></code></pre></div></li><li><p>Providers and consumers deployed in the same cluster, the machine only visit the local service:</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-fallback data-lang=fallback><span style=display:flex><span>=&gt; host = $host
</span></span></code></pre></div></li></ol><h2 id=script-routing-rules>Script routing rules</h2><p>Script routing rules <sup id=fnref:4><a href=#fn:4 class=footnote-ref role=doc-noteref>4</a></sup> support all scripts of JDK script engine. such as: javascript, jruby, groovy, etc. Configure the script type by <code>type=javascript</code>, the default is javascript.</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-fallback data-lang=fallback><span style=display:flex><span>&#34;script://0.0.0.0/com.foo.BarService?category=routers&amp;dynamic=false&amp;rule=&#34; + URL.encode(&#34;(function route(invokers) { ... } (invokers))&#34;)
</span></span></code></pre></div><p>Routing rules that base on script engine is as follow:</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-javascript data-lang=javascript><span style=display:flex><span>(<span style=color:#268bd2>function</span> route(invokers) {
</span></span><span style=display:flex><span> <span style=color:#268bd2>var</span> result <span style=color:#719e07>=</span> <span style=color:#719e07>new</span> java.util.ArrayList(invokers.size());
</span></span><span style=display:flex><span> <span style=color:#719e07>for</span> (i <span style=color:#719e07>=</span> <span style=color:#2aa198>0</span>; i <span style=color:#719e07>&lt;</span> invokers.size(); i <span style=color:#719e07>++</span>) {
</span></span><span style=display:flex><span> <span style=color:#719e07>if</span> (<span style=color:#2aa198>&#34;10.20.153.10&#34;</span>.equals(invokers.get(i).getUrl().getHost())) {
</span></span><span style=display:flex><span> result.add(invokers.get(i));
</span></span><span style=display:flex><span> }
</span></span><span style=display:flex><span> }
</span></span><span style=display:flex><span> <span style=color:#719e07>return</span> result;
</span></span><span style=display:flex><span>} (invokers)); <span style=color:#586e75>// Indicates that the method is executed immediately
</span></span></span></code></pre></div><h2 id=tag-routing-rules>Tag routing rules</h2><p>Tag routing rules <sup id=fnref:5><a href=#fn:5 class=footnote-ref role=doc-noteref>5</a></sup> , when the application configures the <code>TagRouter</code> , a tagged dubbo invocation can intelligently route to the service provider which has the corresponding tag.</p><h3 id=provider>Provider</h3><ol><li>configure TagRouter for the application</li></ol><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-Java data-lang=Java><span style=display:flex><span><span style=color:#268bd2>@Bean</span>
</span></span><span style=display:flex><span><span style=color:#268bd2>public</span> ApplicationConfig <span style=color:#268bd2>applicationConfig</span>() {
</span></span><span style=display:flex><span> ApplicationConfig applicationConfig <span style=color:#719e07>=</span> <span style=color:#719e07>new</span> ApplicationConfig();
</span></span><span style=display:flex><span> applicationConfig.setName(<span style=color:#2aa198>&#34;provider-book&#34;</span>);
</span></span><span style=display:flex><span> applicationConfig.setQosEnable(<span style=color:#cb4b16>false</span>);
</span></span><span style=display:flex><span> <span style=color:#586e75>// instruct tag router</span>
</span></span><span style=display:flex><span> Map<span style=color:#719e07>&lt;</span>String,String<span style=color:#719e07>&gt;</span> parameters <span style=color:#719e07>=</span> <span style=color:#719e07>new</span> HashMap<span style=color:#719e07>&lt;&gt;</span>();
</span></span><span style=display:flex><span> parameters.put(Constants.ROUTER_KEY, <span style=color:#2aa198>&#34;tag&#34;</span>);
</span></span><span style=display:flex><span> applicationConfig.setParameters(parameters);
</span></span><span style=display:flex><span> <span style=color:#719e07>return</span> applicationConfig;
</span></span><span style=display:flex><span>}
</span></span></code></pre></div><ol start=2><li>configure specfic tag for the provider</li></ol><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-java data-lang=java><span style=display:flex><span><span style=color:#268bd2>@Bean</span>
</span></span><span style=display:flex><span><span style=color:#268bd2>public</span> ProviderConfig <span style=color:#268bd2>providerConfig</span>(){
</span></span><span style=display:flex><span> ProviderConfig providerConfig <span style=color:#719e07>=</span> <span style=color:#719e07>new</span> ProviderConfig();
</span></span><span style=display:flex><span> providerConfig.setTag(<span style=color:#2aa198>&#34;red&#34;</span>);
</span></span><span style=display:flex><span> <span style=color:#719e07>return</span> providerConfig;
</span></span><span style=display:flex><span>}
</span></span></code></pre></div><p>The application which configures no tag will be considered as the default application, and these default apps will be treated as downgrades when the invocation fails to match the provider.</p><h3 id=consumer>Consumer</h3><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-Java data-lang=Java><span style=display:flex><span>RpcContext.getContext().setAttachment(Constants.TAG_KEY,<span style=color:#2aa198>&#34;red&#34;</span>);
</span></span></code></pre></div><p>The scope of the <code>dubbo.tag</code> is for each invocation, using the attachment to pass the request tag. Note that the value stored in the attachment will be passed continuously in a complete remote invocation, thanks to this feature, we only need to set the tag at the beginning of a invocation.</p><blockquote><p>Currently, only <strong>hardcoding</strong> is supported to set dubboTag. Note that RpcContext is thread-bound, elegantly using the TagRouter feature, it is recommended to set the request tag via a servlet filter (in the web environment) or a custom dubbo SPI filter.</p></blockquote><h3 id=rules-1>Rules:</h3><ol><li><p><code>dubbo.tag=red</code> will firstlt choose the provider which configures as <code>tag=red</code>. If there is no service corresponding to the request tag in the cluster, it will downgrade to <code>tag=null</code> provider, seen as default provider。</p></li><li><p>when <code>dubbo.tag=null</code>, only <code>tag=null</code> provider will be matched. Even if there are services available in the cluster, the tags do not match, they cannot be called. This is different from rule 1. Tagged invocation can be downgraded to untagged services, but invocations that do not carry tags/carry other types of tags can never be accessed other tag services.</p></li></ol><div class=footnotes role=doc-endnotes><hr><ol><li id=fn:1><p>Support since <code>2.2.0</code>&#160;<a href=#fnref:1 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:2><p>Routing Rules Extension Point: <a href=/en/docs/v2.7/dev/impls/router/>Route Extension</a>&#160;<a href=#fnref:2 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:3><p>Note: A service can only have one whitelist rule, otherwise the two rules will be filtered out.&#160;<a href=#fnref:3 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:4><p>Note: Scripts have no sandbox constraints, can execute arbitrary code, and poses a backdoor risk.&#160;<a href=#fnref:4 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li><li id=fn:5><p>Support since <code>2.7.0</code>&#160;<a href=#fnref:5 class=footnote-backref role=doc-backlink>&#8617;&#xfe0e;</a></p></li></ol></div><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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<a href=https://github.com/apache/dubbo/issues/new target=_blank><i class="fas fa-tasks fa-fw"></i> Create project issue</a></div><nav id=TableOfContents><ul><li><a href=#write-routing-rules>Write Routing Rules</a></li><li><a href=#conditional-routing-rules>Conditional routing rules</a><ul><li><a href=#rules>Rules:</a></li><li><a href=#expressions>Expressions:</a></li><li><a href=#samples>Samples</a></li></ul></li><li><a href=#script-routing-rules>Script routing rules</a></li><li><a href=#tag-routing-rules>Tag routing rules</a><ul><li><a href=#provider>Provider</a></li><li><a href=#consumer>Consumer</a></li><li><a href=#rules-1>Rules:</a></li></ul></li></ul></nav></div></div></div></div><footer class="bg-dark py-5 row d-print-none footer-margin-0"><div class="container-fluid mx-sm-5"><div class=row><div class="col-6 col-sm-4 text-xs-center order-sm-2"><ul class="list-inline mb-0"><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title="Dubbo mailing list archive" aria-label="Dubbo mailing list archive"><a class=text-white target=_blank rel="noopener noreferrer" href=https://lists.apache.org/list.html?dev@dubbo.apache.org><i class="fa fa-envelope"></i></a></li></ul></div><div class="col-6 col-sm-4 text-right text-xs-center order-sm-3"><ul class="list-inline mb-0"><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title=GitHub aria-label=GitHub><a class=text-white target=_blank rel="noopener noreferrer" href=https://github.com/apache/dubbo><i class="fab fa-github"></i></a></li><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title="Subscribe to mailing list" aria-label="Subscribe to mailing list"><a class=text-white target=_blank rel="noopener noreferrer" href=mailto:dev-subscribe@dubbo.apache.org><i class="fa fa-envelope"></i></a></li></ul></div><div class="col-12 col-sm-4 text-center py-2 order-sm-2"><small class=text-white>&copy; 2023 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation. All Rights Reserved</small></div></div></div></footer><div class="row pt-2 pb-2 footer-margin-0"><div class="container-fluid mx-sm-5"><div class=text-center id=my-footer><img style=float:left alt=apache_logo src=/imgs/apache_logo.png><ul><li><a href=https://www.apache.org>Foundation</a></li><li><a href=https://www.apache.org/licenses/>License</a></li><li><a href=https://dubbo.apache.org/en/docs/notices/security/>Security</a></li><li><a href=https://www.apache.org/events/current-event>Events</a></li><li><a href=https://www.apache.org/foundation/sponsorship.html>Sponsorship</a></li><li><a href=https://privacy.apache.org/policies/privacy-policy-public.html>Privacy</a></li><li><a href=https://www.apache.org/foundation/thanks.html>Thanks</a></li></ul></div></div></div><script src=/js/popper.min.js integrity=sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49 crossorigin=anonymous></script><script src=/js/bootstrap.min.js integrity=sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy crossorigin=anonymous></script><script src=/js/main.min.a4534a01940be8c082c4c0e6777b61df9884f202b61c9519352adb6d1039d5aa.js integrity="sha256-pFNKAZQL6MCCxMDmd3th35iE8gK2HJUZNSrbbRA51ao=" crossorigin=anonymous></script><script src=https://cdn.jsdelivr.net/npm/@docsearch/js@3></script><script>docsearch({appId:"L5F4T9F0I1",apiKey:"364ae307e1da9d02b2335675e9db1eb1",indexName:"apache_dubbo",container:"#docsearch",debug:!1}),docsearch({appId:"L5F4T9F0I1",apiKey:"364ae307e1da9d02b2335675e9db1eb1",indexName:"apache_dubbo",container:"#docsearch_zh_home",debug:!1})</script></body></html>