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RabbitMQ Metadata RabbitMQ Metadata Type RabbitMQ always records the following types of internal metadata: *Queue Metadata - Queue names and their properties (whether persistent or automatically deleted) *Exchange metadata - Exchange name, type, properties (persistent, etc.) *Binding metadata - A simple table showing how to r ...

Create rabbit_consumer.php as a consumer <?php //configuration information $conn_args = array( 'host' => '127.0.0.1', 'port' => '5672', 'login' => 'admin', 'password' => 'admin', 'vhost'=>'/' ); $e_name = 'e_linvo'; //Switch name $q_name = 'q_linvo'; //Team name $k_route = 'key_1 ...

1.3 page publishing manufacturer 1.3.1 demand analysis The administrator publishes the consumption of "page publishing" through cms system, which is the producer of page publishing.The requirements are as follows:1. The administrator enters the management interface and clicks "page publishing". The front end requests the cm ...

You may be thinking about data distribution, non blocking jobs, or message push. Or you want to publish / subscribe, asynchronous tasks, work queues. All of these patterns are part of message queuing. 1. Install RabbmitMQ wget https://www.rabbitmq.com/releases/rabbitmq-server/v3.6.8/rabbitmq-server-3.6.8-1.el6.noarch.rpm Get rpm, and you will f ...

Rabbit MQ message queue @[toc] brief introduction Advantage erlang development, strong concurrency. The community is active, with many users and strong stability. Low latency shortcoming erlang language development, the domestic proficient is not much, in the future customization development is difficult. Rabbit MQ working mode 1, "Hello ...

Blog Outline:I. Rabbitmq conceptII. Deploy a single RabbitmqIII. deploy Rabbitmq clusterIV. single node joins or exits cluster configuration I. Rabbitmq concept RabbitMQ is an open-source service implemented by AMQP protocol. The server side is written in Erlang language, and supports a variety of clients, such as Python, Ruby,. NET, Java, J ...

I. rabbitmq usage scenario, used for time notification and logging with microservices II. rabbitmq installation erlang 1. rabbitmq is written in erlang language. Before installing rabbitmq, you need to install erlang first. Here, you use the source code of erlang for installation. The download address of erlang installation p ...

The previous articles mentioned the fanout type exchange similar to broadcast, which supports the classified direct type exchange. Using the example of log in the exchange of direct type, we can distinguish the logs of info, debug, warn and error types. However, there may be further requirements in practice. I hope to see the error log informat ...

1. Throw a picture first Explain: This article covers many aspects of RabbitMQ, such as: Message Sending Confirmation Mechanism Consumer Confirmation Mechanism Message Re-Delivery Consumer Idempotency, etc. These are all around the overall flowchart above, so it's necessary to post them first, see the diagram   2. Ideas for impl ...

introduce Dead letter queue: the queue in which messages are not consumed in time and messages are not consumed in time has the following reasons:1. A message is rejected (basic.reject/ basic.nack) and request = false2. The queue reaches the maximum length3. Message TTL expired scene 1. Enter the initial queue in hours, wait for 30 minutes, an ...