RabbitMQ installation delay switch
Switch plug mounted on three delay node
1. Go to RabbitMQ plugins directory
cd /usr/lib/rabbitmq/lib/rabbitmq_server-3.6.12/plugins2. Download the plug-in installation package delay
wget https://dl.bintray.com/rabbitmq/community-plugins/3.6.x/rabbitmq_delayed_message_exchange/rabbitmq_delayed_message_exchange-20171215-3.6.x.zip3. Extract delay plug-in installation package
unzip rabbitmq_delayed_message_exchange-20171215-3.6.x.zipThe RAM node is modified to node DISK
On the RAM node, the node is modified to a disk node
rabbitmqctl stop_app
rabbitmqctl change_cluster_node_type disk
rabbitmqctl start_appStart delay switch plug on three nodes
rabbitmq-plugins enable rabbitmq_delayed_message_exchange
