云消息队列 MQ离线的相关内容

阿里云mqtt在网络断开(只是网络异常情况)情况服务器接收离线通知要等几分钟才分出来

关闭mqtt客户端是能马上就接收到离线通知，就是在网络异常发出通知速度很慢

android 手表后台运行应用 mqtt 频繁离线

在Android 华为watch 2 手表上接入mqtt 3.1.1.0版本，在手表进入到待机模式，也就是将应用切换到后台执行，差不多切换后5分钟左右就会断开连接，但是在mqtt 设置中设置了自动重连，日志中并没有看到重连成功的日志信息，请问一下，当应用切换到后台，如何保证长连接？

RocketMQ 5.0学习资料

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MQTT获取离线消息小议

概述微消息队列MQ for IoT在处理离线消息时，为了简化离线消息获取机制，微消息队列系统在客户端成功建立连接并通过权限校验后，会自动加载离线消息并下发到客户端，但是实际在使用过程中会出现消费端启动后迟迟无法获取离线消息的问题，本文主要介绍延迟消息的发送与接收环节需要注意的问题。协议相关注意...

mqtt设备离线消息丢失

mqtt 设备短时间不在线时，我在控制台向topic发消息，设备几秒后上线收不到消息设备 clean session 是0的。是不是设备的clientid或其它信息有特殊要求？

MQTT 获取离线消息怎么制作？

离线消息使用场景场景一：客户端本身对离线消息的优先级比较低，只要保证最终能处理就可以。场景二：客户端对于离线消息需要有限处理，且要求比较实时。针对场景一，因为 MQTT 默认的工作模式即可支持，客户端上线后，离线消息不会立即推送，是按照固定时间间隔，固定数量的方式推送。这种工作模式的好处是可以降...

MQTT重连后，不能接收离线消息

在connectLost中，用mRecSampleClient.disconnect();mRecSampleClient.close();关闭连接；关闭的下方使用while(!mRecSampleClient.isConnected())，每隔一秒调用一次mRecSampleClient.conn...

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