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Basic concepts of MQ 1.1 MQ overview The full name of MQ is Message Queue, which is a container for saving messages during message transmission. It is mostly used for communication between distributed systems We call from system A to system B directly and remotely. Although this is A simple call, it also has limitations, such as excessiv ...

1, Producer consumer mode (there are only two threads, one is producer thread and the other is consumer thread) a key!!!!!!! When reading this blog, first describe the wait mechanism of the wait () method. When the first thread is waiting, it will release the lock. When the thread is awakened, it will continue to execute from the code behin ...

High level part of RabbitMq release confirmation 1. Why is it necessary to release the confirmation advanced part? In the production environment, RabbitMQ is restarted due to some unknown reasons. During RabbitMQ restart, the delivery of producer messages fails, resulting in message loss, which needs to be processed and recovered manually. So ...

1, Foreword First, declare that the configuration process can allow you to configure your RabbitMQ. Secondly, I'm pure white. If you have any questions in the article, please point them out in the comment area. Thank you very much. 2, Configure ErLang If ErLang is not well equipped, you can't engage in RabbitMQ. Even if you install the corr ...

preface RabbitMQ introduction: RabbitMQ is a message oriented middleware based on AMQP standard and Erlang language. Tip: the following is the main content of this article 1, RabbitMQ infrastructure Producer: as the generator of the message.Consumer: the consumer of the message.Connection: the TCP connection between the message pu ...

1. Introduction to the working mode of rabbitmq The working mode of RabbitMQ refers to the process implemented in the actual caching of messages. RabbitQM official website provides six working modes: https://www.rabbitmq.com/getstarted.html 1. Hello Word simple working mode 2. Work queues work queue mode 3. Publish/Subscribe publish an ...

Core dependencies: <!--introduce rabbitmq Correlation dependency--> <dependency> <groupId>com.rabbitmq</groupId> <artifactId>amqp-client</artifactId> <version>5.7.2</version> </dependency> The first model: direct connection     In the model above, there are the followi ...

Main functions of message queue: traffic peak clipping         If the order system can process 10000 orders at most, this processing capacity is more than enough to deal with the order in the normal period. In the normal period, we can return the results one second after we place the order. However, in the peak period, if 2 ...

Springboot integrates RabbitMQ Learning reference website Installing RabbitMQ 1. Install Erlang language pack https://www.erlang.org/downloads [official website download address] 2. Install rabbitMq https://www.rabbitmq.com/download.html The installation path cannot have Chinese, otherwise the path cannot be found 3. Restart rabbitmq ...

person one is in love with Recently, I met such a demand in the company's development: how to realize regular order? And you can interrupt, restart and delete this task at any time. I thought of the following technologies at that time @Scheduling annotation + Cron expression. Hahahahahaha, maybe many small partners will do the same, but later ...