面试官：同一个消费组内的消费者，如果订阅了相同的 topic，但是订阅的 tag 不一样，会有什么问题吗？我：会出现丢消息的情况。面试官：能详细说一说吗？我：RocketMQ 要求同一个消费组内的消费者必须订阅关系一致，如果订阅关系不一致，会出现消息丢失的问题。面试官：什么是订阅关系一致呢？我：订阅关系一致是指同一个消费者组下所有消费者所订阅的 Topic、Tag 必须完全一致。如下图所示：其中....

文章 2022-10-26 来自：开发者社区

RocketMQ Binder集成消息订阅

RocketMQ Binder集成消息订阅AbstractMessageChannelBinder类中提供了创建MessageProducer的协议，在初始化Binder的时候加载createConsumerEndpoint方法RocketMQMessageChannelBinder完成RocketMQInboundChannelAdapter的创建和初始化RocketMQMessageChan....

文章 2022-05-13 来自：开发者社区

RocketMQ为什么要保证订阅关系的一致性？

前段时间有个朋友向我提了一个问题，他说在搭建 RocketMQ 集群过程中遇到了关于消费订阅的问题，具体问题如下：然后他发了报错的日志给我看：the consumer's subscription not exist我第一时间在源码里找到了报错的位置：org.apache.rocketmq.broker.processor.PullMessageProcessor#processRequest：....

文章 2021-12-26 来自：开发者社区

RocketMQ，同一个topic下是否可以通过不同的tag来进行订阅吗？

针对以上问题，有两个场景：使用阿里云的云服务器的RocketMQ和使用自己搭建的RocketMQ。但无论采用这两种的任何一种，都是可以在同一个topic下，通过tag来进行业务区分的。网上有很多分析相关使用方式的文章，虽然分析的结果都是“不可以”，但我们可以通过其他的一些方案来进行解决。自主搭建的RocketMQ通过自主搭建RocketMQ，然后通过SpringBoot进行集成实现，可以参考在公....

问答 2021-12-16 来自：开发者社区

RocketMQ所提及的事件的订阅和触发具体内容是什么样的？

共有21条

< 1 2 3 >

跳转至： GO

更新时间 2024-02-28 13:52:48

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

消息队列RocketMQ版您可能感兴趣

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[],"search":[],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/rocketmq","icon":"","title":"云消息队列 RocketMQ 版","des":"云消息队列 RocketMQ 版是阿里云基于 Apache RocketMQ 构建的低延迟、高并发、高可用、高可靠的分布式“消息、事件、流”统一处理平台。RocketMQ 自诞生以来一直服务阿里集团十余年，历经多次双十一万亿级数据洪峰稳定性验证。","btn1":"产品控制台","link1":"https://ons.console.aliyun.com/overview","btn2":"查看详情","link2":"https://www.aliyun.com/product/rocketmq","btn3":"预约咨询","link3":"https://survey.aliyun.com/apps/zhiliao/bzT3AfPaq","infoGroup":[{"infoName":"精选推荐","infoContent":{"firstContentName":"Serverless资源包优惠","firstContentLink":"https://common-buy.aliyun.com/?spm=5176.234368.J_5253785160.2.7f334ef6LINaFS&commodityCode=ons_rocketmqV5_spn_public_cn","lastContentName":"新用户首月85折","lastContentLink":"https://common-buy.aliyun.com/?commodityCode=ons_rmqsub_public_cn#/buy"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"开源RocketMQ迁移","firstContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/user-guide/overview-6?spm=a2c4g.11186623.0.0.72053010BxUbOn","lastContentName":"故障处理最佳实践","lastContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/user-guide/best-practices-for-fault-handling-based-on-the-observability-feature?spm=a2c4g.11186623.0.0.5691637btgDv5N"}},{"infoName":"用户指南","infoContent":{"firstContentName":"产品快速入门","firstContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/getting-started/overview-9?spm=a2c4g.11186623.0.0.3530714e0G3I6J","lastContentName":"产品常见问题","lastContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/support/faq?spm=a2c4g.11186623.0.0.1375244aclcafe"}},{"infoName":"解决方案","infoContent":{"firstContentName":"RocketMQ全链路追踪","firstContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/user-guide/end-to-end-tracing-analysis-solution?spm=a2c4g.11186623.0.0.179d52a8wcVlvO","lastContentName":"","lastContentLink":""}}],"ifIcon":"img","iconImg":"https://img.alicdn.com/imgextra/i2/O1CN017fCdal1qFwEnah5wz_!!6000000005467-2-tps-200-200.png","contentLink":"https://www.aliyun.com/product/rocketmq"}],"visual":{"icon":"","topbg":"","textColor":"dark"}}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":4,"count":4}]},"card":[],"search":[],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/rocketmq","icon":"","title":"云消息队列 RocketMQ 版","des":"云消息队列 RocketMQ 版是阿里云基于 Apache RocketMQ 构建的低延迟、高并发、高可用、高可靠的分布式“消息、事件、流”统一处理平台。RocketMQ 自诞生以来一直服务阿里集团十余年，历经多次双十一万亿级数据洪峰稳定性验证。","btn1":"产品控制台","link1":"https://ons.console.aliyun.com/overview","btn2":"查看详情","link2":"https://www.aliyun.com/product/rocketmq","btn3":"预约咨询","link3":"https://survey.aliyun.com/apps/zhiliao/bzT3AfPaq","infoGroup":[{"infoName":"精选推荐","infoContent":{"firstContentName":"Serverless资源包优惠","firstContentLink":"https://common-buy.aliyun.com/?spm=5176.234368.J_5253785160.2.7f334ef6LINaFS&commodityCode=ons_rocketmqV5_spn_public_cn","lastContentName":"新用户首月85折","lastContentLink":"https://common-buy.aliyun.com/?commodityCode=ons_rmqsub_public_cn#/buy"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"开源RocketMQ迁移","firstContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/user-guide/overview-6?spm=a2c4g.11186623.0.0.72053010BxUbOn","lastContentName":"故障处理最佳实践","lastContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/user-guide/best-practices-for-fault-handling-based-on-the-observability-feature?spm=a2c4g.11186623.0.0.5691637btgDv5N"}},{"infoName":"用户指南","infoContent":{"firstContentName":"产品快速入门","firstContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/getting-started/overview-9?spm=a2c4g.11186623.0.0.3530714e0G3I6J","lastContentName":"产品常见问题","lastContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/support/faq?spm=a2c4g.11186623.0.0.1375244aclcafe"}},{"infoName":"解决方案","infoContent":{"firstContentName":"RocketMQ全链路追踪","firstContentLink":"https://help.aliyun.com/zh/apsaramq-for-rocketmq/cloud-message-queue-rocketmq-5-x-series/user-guide/end-to-end-tracing-analysis-solution?spm=a2c4g.11186623.0.0.179d52a8wcVlvO","lastContentName":"","lastContentLink":""}}],"ifIcon":"img","iconImg":"https://img.alicdn.com/imgextra/i2/O1CN017fCdal1qFwEnah5wz_!!6000000005467-2-tps-200-200.png","contentLink":"https://www.aliyun.com/product/rocketmq"}],"visual":{"icon":"","topbg":"","textColor":"dark"}}}