[rabbitmq-discuss] Monitoring Rabbit MQ deadletter queue and queue counts / rates

[Michael Klishin]

On 13 Feb 2014, at 02:03, talktomelance at gmail.com wrote:

> We would also like to check for messages in a deadletter queue.  
> 
> http://machinename.domain.local:15672/api/queues?columns=name,messages    gives me the queues and messages and I can see the deadletter queues and the message count in each.   I would have to parse this to find which queue has a deadletter queue associated with it.
> 
>  I have seen the API but not sure how to configure the query string to get counts and rates of all queues and the specific deadletter info.

In RabbitMQ, deadlettered messages are published to a deadletter exchange:
http://www.rabbitmq.com/dlx.html

You can monitor ingress rate for an exchange:
> http://machinename.domain.local:15672/api/exchanges

or

> http://machinename.domain.local:15672/api/exchanges/[name]

See http://hg.rabbitmq.com/rabbitmq-management/raw-file/rabbitmq_v3_2_3/priv/www/api/index.html

MK

Software Engineer, Pivotal/RabbitMQ