Programmer Think

Deploying rabbitMQ image cluster Version information rabbit MQ: 3.8.5 Erlang: Official recommended minimum 21.3 recommended 22.x Here's 23 Environmental preparation Host planning host node 172.16.14.3 Disk node 172.16.14.4 Memory node 172.16.14.5 Disk node Memory node: The memory no ...

It's back to erlang again. It's kind of friendly to go back to erlang after using it for a while. In the project, mqtt is also prepared to be used for message reporting. By the way, I want to see his code. In erlang, application s are managed by a supervisor. In emq, emqttd sup is the largest supervisor, and there are many supervisors or worker ...

Generally speaking, when we talk about the eight queens problem, the first thought we think about is the idea of backtracking, which needs to be realized in return. Computers are good at doing repetitive things, so recursion is right with its appetites, and our brains prefer to see the way of thinking in a straightforward way. When When we see ...

bug review Bug fix timeline At 10:00 p.m. on x month x, the memory of X service began to rise rapidly. At 10:18 on X, users reported that x service memory rose rapidly. mongodb was restarted due to insufficient memory at 10:20 on x Restart x service at 10:22 on X At 11:00 p.m. on x month x, the memory of X service rose rapidly again. At 14:45, ...

Articles Catalogue Overview of RabbitMQ Background operation of RabbitMQ Java Connection RabbitMQ Simple Queue Work queue Polling distribution Fair distribution Subscriber mode fanout direct topics Message persistence Overview of Rabbi ...

I. docker installation 1. Enter docker hub mirror Warehouse address: https://hub.docker.com/ 2. Search rabbitMq image When you enter the official image, you can see the following types of images; we choose a version with "mangement" (i ...

RabbitMQ is an open source message broker software that implements Advanced Message Queuing Protocol (AMQP). RabbitMQ server is written in Erlang language. It can provide a general platform for sending and receiving messages for your application, and ...

Environment: Ubuntu 16 Linux system, ERlang language source package: otp_src_22.0.tar.gz, rabbitMQ installation package: rabbitmq-server-generic-unix-3.7.16.tar, jdk1.8 (ERLang compilation needs jdk support) To install rabbitMQ service components, you need to configure the dependencies of the ERlang language environment. One: Installation and ...

Install RabbitMQ Install Erlang Erlang dependency libraries: GCC Compile and use Ncurses Can be in Linux A Library for Writing Character User Interface in Terminals OpenSSL It is a powerful secure socket layer cryptographic library, including the main cryptographic algorithms, commonly used key and certificate encapsulatio ...