Use rabbitmq_top plugin to display RabbitMQ Erlang processes.
RabbitMQ version.
$ sudo rabbitmq-diagnostics server_version Asking node rabbit@buster for its RabbitMQ version... 3.7.18
Enable rabbitmq_top plugin.
$ sudo rabbitmq-plugins enable rabbitmq_top The following plugins have been configured: rabbitmq_management rabbitmq_management_agent rabbitmq_top rabbitmq_web_dispatch Applying plugin configuration to rabbit@buster... The following plugins have been enabled: rabbitmq_top started 1 plugins.
RabbitMQ Top will be available in management Web UI to monitor and inspect Erlang processes.
RabbitMQ Top plugin provides an API that can be used to extract specific data.
# curl --silent --user user:password http://127.0.0.1:15672/api/top/rabbit@buster | jq '.processes[] | if (.name.queue_name == "add-changelog") then . else empty end'
{
"pid": "<0.5559.0>",
"name": {
"supertype": "queue",
"type": "rabbit_amqqueue_process",
"queue_name": "add-changelog",
"vhost": "/"
},
"buffer_len": 0,
"reduction_delta": 179,
"memory": 2919832,
"message_queue_len": 0,
"reductions": 40052496,
"status": "waiting"
}