[rabbitmq-discuss] errors from management plugin appear to stop messages delivery

Matthias Radestock matthias at rabbitmq.com
Sat Apr 23 17:33:40 BST 2011


Ian Ragsdale wrote:
> This just happened again.

Is this in 2.4.1 with Simon's patched management plug-in?

> every connection is listed as 'blocked'.

That indicates rabbit has paused all producers since memory is tight.

What memory limit does rabbit thinks it has? Check the rabbit.log file 
near the beginning.

Next time you see rabbit stuck like that, please capture the output of 
(nearly) all 'rabbitmqctl list_*' commands i.e. users, vhosts, 
exchanges, queues, bindings, connections, channels, consumers,

Also, if you can, try not to mix producers and consumers on the same 
connection. That will allow consumers to continue receiving messages and 
ack them even when rabbit has blocked producer connections.



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