Proficient in RocketMQ series: tearful 15000 words in-depth analysis of RocketMQ consumer start process source code
1, Overview
The message consumption of RocketMQ includes two modes: push and pull. The pull mode is officially not recommended, so we mainly introduce the push mode. Special note: the source code of this paper is based on RocketMQ4.8.
2, Push mode startup process
1. consumer code snippet
package com.example.demo.rocketmq;
import org.apache ...
Posted on Wed, 06 Oct 2021 17:34:38 -0400 by Darghon
RabbitMQ working mode with pictures and texts
1, Simple mode
1. Simple mode
The first mock exam is a one to one mode, one producer, one consumer, and the producer sends messages to consumers.
Producer: the program that sends the message
Consumer: the receiver of the message, who will always wait for the message to arrive
Message queue: similar to a mailbox, it can cache message ...
Posted on Wed, 15 Sep 2021 15:48:46 -0400 by khaine
Message confirmation mechanism of RabbitMq and its application in RabbitMq chat function
1. Causes of message loss
1. When the sender sends a message, the message is lost. It seems that the message has been sent 2.mq has received the message, but the consumer did not receive it when consuming
Ensure reliable arrival at p - > b, e - > Q and Q - > C; (picture from Shangri Valley)
2. Callback function and configuration on ...
Posted on Sun, 12 Sep 2021 22:40:04 -0400 by ir4z0r