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
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 ...
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
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
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
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 🎁 Through this article, you will clearly understand: what is delay queue? Delay queue usage scenario? How to install the BBU # exchange # Q plug-in? 😄 At the end ...
Added by larsojl on Wed, 02 Mar 2022 02:50:54 +0200
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
Congratulations to all the friends who read this article for successfully unlocking the advanced features of RabbitMQ series
Contents of dead letter queue 🎁 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. 😄 Finally, Xiaoming will he ...
Added by billcoker on Mon, 28 Feb 2022 02:39:48 +0200
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
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