Message oriented middleware ActiveMQ

ActiveMQ Introduction to ActiveMQ ActiveMQ is the most popular and powerful open source message bus produced by Apache. ActiveMQ is a Fully support JMS1 1 and J2EE 1.4 specifications, although the JMS specification has been issued for a long time But JMS still plays a special role in today's J2EE applications. What is news A message is a un ...

Added by jonwondering on Tue, 08 Mar 2022 18:49:03 +0200

Implementation of delayed tasks based on message queue (RabbitMQ)

1, Preface Delayed tasks are widely used. Typical application scenarios of delayed tasks include automatic cancellation of orders when they timeout; Payment callback retry. Among them, the order overtime cancellation has idempotent property, and there is no need to consider the problem of repeated consumption; Payment callback retry needs to co ...

Added by kye on Tue, 08 Mar 2022 02:42:02 +0200

RabbitMQ Application Demo: supports hot plug of multiple consumer instances

Demand background There are several reasons why multiple consumer instances need to be deployed in the project: Based on the reliability improvement requirements of the system. Especially for the container deployment scheme based on micro service architecture, multi instance deployment of micro service is the basic requirement to ensure the re ...

Added by cmaclennan on Sun, 06 Mar 2022 12:55:33 +0200

Conclusion of Spring boot integrated learning 1.0: exception handling, integration of Mybatis, transaction, cache, JPA, dynamic log, RabbitMq, sending mail, background operation and deployment

https://blog.didispace.com/spring-boot-learning-1x/ 1. Unified exception handling of application Spring Boot provides a default mapping: / error. When an exception is thrown during processing, it will be transferred to the request for processing, and the request has a global error page to display the exception content. Access a nonexistent U ...

Added by mizz key_me on Sat, 05 Mar 2022 09:12:53 +0200

Analysis of RabbitMQ learning notes and AMQP protocol

RabbitMQ Related concepts of MQ What is MQ MQ(message queue), in its literal sense, is essentially a queue. FIFO is first in first out, but the content stored in the queue is message. It is also a cross process communication mechanism for upstream and downstream message delivery. In the Internet architecture, MQ is a very common upstream ...

Added by seanlyons on Fri, 04 Mar 2022 02:47:24 +0200

[RabbitMQ series that laymen can understand] - advanced part of RabbitMQ: implementing delay queue through plug-in (including implementation code and rabbitmq_delayed_message_exchange installation)

preface Congratulations to all the friends who read this article for successfully unlocking the advanced feature plug-in version of RabbitMQ series Content of delay queue ๐ŸŽ Through this article, you will clearly understand: what is delay queue? Delay queue usage scenario? How to install the BBU # exchange # Q plug-in? ๐Ÿ˜„ At the end ...

Added by larsojl on Wed, 02 Mar 2022 02:50:54 +0200

MQ RabbitMQ High Availability Cluster: Keepalived installation and configuration

1 Introduction Keepalived is a high-performance server high availability or hot standby solution. Keepalived is mainly used to prevent the occurrence of single point of failure of the server. It can cooperate with the load balancing servers of Nginx, Haproxy and other reverse agents to achieve high availability of the web server. Keepalived is ...

Added by Smackie on Wed, 02 Mar 2022 01:53:10 +0200

[RabbitMQ series that laymen can understand] - dead letter queue of RabbitMQ advanced (including video demonstration service and service code)

preface Congratulations to all the friends who read this article for successfully unlocking the advanced features of RabbitMQ series Contents of dead letter queue ๐ŸŽ Through this article, you will clearly understand: what is dead letter? What is a dead letter queue? How to use the dead letter queue? etc. ๐Ÿ˜„ Finally, Xiaoming will he ...

Added by billcoker on Mon, 28 Feb 2022 02:39:48 +0200

RabbitMQ (introduction, concept, installation and springboot integration)

RabbitMQ (introduction, concept, installation and springboot integration) 1, MQ introduction In computer science, message queue (English: Message queue) is a way of communication between processes or between different threads of the same process. The storage column of software is used to process a series of inputs, usually from users. Messa ...

Added by webdes03 on Sun, 27 Feb 2022 04:59:11 +0200

RabbitMQ installation and introduction

RabbitMQ What is MQ MQ(message queue), in its literal sense, is essentially a queue. FIFO is first in first out, but the content stored in the queue is message. It is also a cross process communication mechanism for upstream and downstream message delivery. In the Internet architecture, MQ is a very common upstream and downstream "logica ...

Added by georgen on Sat, 26 Feb 2022 17:43:42 +0200