rabbitmqctl

As it is mentioned in the RabbitMQ docs that tcp connections are expensive to make. So, for that concept of channel was introduced. Now i came across this example . In the main() it creates the connection everytime a message is publised. conn, err := amqp.Dial("amqp://guest:guest@localhost:5672/") . Shouldn't it be declared globally once and there should be failover mechanism in case connection get closed like singleton object. If amqp.Dial is thread-safe, which i suppose it should be Edited question : I am handling the connection error in the following manner. In which i listen on a channel

I am running RabbitMQ v3.3.5 with Erlang OTP 17.1 on Windows 2008 R2. My Dev and QA environments are stand-alone. My staging and production environments are clustered. I am finding this one problem happening often where the RabbitMQ service is running, the RabbitMQ management console is seeing everything, but when I try running rabbitmqctl from the command line it fails with an error saying that the node is down (tried locally and on a remote server). This problem is resolved if I restart the Windows service. I see no error message in the RabbitMQ error log. The last message indicated that the

Is it possible to view RabbitMQ message contents directly from the command line? sudo rabbitmqctl list_queues lists the queues. Is there any command command like sudo rabbitmqctl list_queue_messages queue_name ? robthewolf You should enable the management plugin. rabbitmq-plugins enable rabbitmq_management See here: http://www.rabbitmq.com/plugins.html And here for the specifics of management. http://www.rabbitmq.com/management.html Finally once set up you will need to follow the instructions below to install and use the rabbitmqadmin tool. Which can be used to fully interact with the system.

I have planned to delay the processing of messages in queue by following these two links link1 link2 . So, as suggested in the link. I have declared the original queue with the x-dead-letter-exchange and x-dead-letter-routing-key args. Which published the messages to the so called dead-letter-queue when message either failed to get processed by consumer or ttl happen or queue length exceed. Now in the dead-letter-queue similar args have been set along with the ttl parameter. Which is suppose to republish the messages to the original queue after ttl exceed. But the problem is it is dropping all

学习rabbitmq，原理之后第一个要掌握的就是rabbitmqctl这个命令的用法了，rabbitmq的管理功能最全的就是rabbitmqctl命令了，当然还有HTTP API和UI两种管理手段。 rabbitmqctl的使用方法： rabbitmqctl [-n <node>] [-q] <command> [<command options>] -n node 默认node名称是"rabbit@server"，如果你的主机明是'server.example.com'，那么node名称是'rabbit@server'。 -q 安静输出模式，信息会被禁止输出 Commands: 基本的管理功能 stop [<pid_file>] #停止在erlang node上运行的rabbitmq，会使rabbitmq停止 stop_app #停止erlang node上的rabbitmq的应用，但是erlang node还是会继续运行的 start_app #启动erlan node上的rabbitmq的应用 wait <pid_file> #等待rabbitmq服务启动 reset #初始化node状态，会从集群中删除该节点，从管理数据库中删除所有数据，例如vhosts等等。在初始化之前rabbitmq的应用必须先停止 force_reset #无条件的初始化node状态 rotate