云消息队列 MQ延时的相关内容

rocketmq延时队列接收不到延时消息

你好，我使用的是5.1.3版本的rocketmq，之前适配的时候是可以正常发送和接收定时消息的，可是过了一周以后再看的时候发现定时消息接受不到了，即时消息是可以接受到的，请问由知道是为什么？

微服务 RocketMQ-延时消息消息过滤管控台搜索问题

RocketMQ-延时消息给消息设置延时时间，到一定时间，消费者才能消费的到，中间件内部通过每秒钟扫描，判断是否到达要求时间现在RocketMq并不支持任意时间的延时，需要设置几个固定的延时等级，从1s到2h分别对应着等级1到18"1s 5s 10s 30s 1m 2m 3m 4m 5m 6m 7m...

RocketMQ 5.0学习资料

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Apache RocketMQ：如何从互联网时代演进到云

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带您快速了解阿里云消息队列RocketMQ 5.0版

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MQ 学习日志(八) 消息队列的延时以及过期失效问题处理

如何解决消息队列的延时以及过期失效问题?消息队列满了以后，该如何处理，有几百万消息持续积压几小时，如何解决第一个坑（Kafka）一般这个时候只能操作临时紧急扩容了，具体操作步骤和思路如下先修复consumer的问题，确保其恢复消费速度，然后将现有的consumer都停掉新建一个t...

Apache RocketMQ大佬们，rocketmq5 发送的任意延时消息，有延迟十几秒消费的情？

Apache RocketMQ大佬们，rocketmq5 发送的任意延时消息，有延迟十几秒消费的情况，pom包引入rocketmq-client-java 5.0.5 咋回事啊?

RocketMQ进阶-延时消息

前言在开发中经常会遇到延时任务的需求，例如在12306购买车票，若生成订单30分钟未支付则自动取消；还有在线商城完成订单后48小时不评价，自动5星好评。像这类在某事件触发后一段时间内执行的需求任务我们称之为延时任务。那么如何实现延迟任务呢？第一反应是利用cron方案来实现：启动一个cron定时任...

为什么自己搭建的rocketmq不能创建顺序消费、延时消费的TOPIC类型，而阿里云的rocketm

原提问者GitHub用户linux-lpx

rocketmq 这个不一致会怎么样，一个Topic既有事务消息也有延时消息。我是5.0版本的de

rocketmq 这个不一致会怎么样，一个Topic既有事务消息也有延时消息。我是5.0版本的defaultmqpush模式没有用新client sdk，没有用新的不需要设置的，你用的是不同的api，发送的时候设置了不同的标识？

弥补延时消息的不足，RocketMQ 基于时间轮算法实现了定时消息！

大家好，我是君哥。在 RocketMQ 4.x 版本，使用延时消息来实现消息的定时消费。延时消息可以一定程度上实现定时发送，但是有一些局限。RocketMQ 新版本基于时间轮算法引入了定时消息，目前，精确到秒级的定时消息实现的 pr 已经提交到社区，今天来介绍一下。1 延时消息1.1 简介Rocke...

5 张图带你理解 RocketMQ 延时消息机制

大家好，我是君哥。今天来聊一聊 RocketMQ 的延时消息是怎么实现的。延时消息是指发送到 RocketMQ 后不会马上被消费者拉取到，而是等待固定的时间，才能被消费者拉取到。延时消息的使用场景很多，比如电商场景下关闭超时未支付的订单，某些场景下需要在固定时间后发送提示消息。1 生产者首先看一个生...

SpringBoot整合RocketMQ发送延时消息

1. 延时等级延时时长不支持随意时长的延迟，是通过特定的延迟等级来指定的，默认变量有1s 5s 10s 30s 1m 2m 3m 4m 5m 6m 7m 8m 9m 10m 20m 30m 1h 2h，分别对应1~18等级。例如等级为3，对应于10s如果需要自己定义延时等级，需要在broker加载的...

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