[rabbitmq-discuss] 2.7.1 mirrored queues leak a lot of memory on slave nodes

Simon MacMullen simon at rabbitmq.com
Tue Feb 28 09:50:18 GMT 2012

Thanks for the additional information. I'll have another go at 

On 27/02/12 19:34, Chip Salzenberg wrote:

> Our local Erlang expert is on vacation, but he rescued our cluster.
> He described a mailbox full of messages that some process was not
> consuming.  When he killed the process and, IIRC, the "shell" that had
> spawned it (I am merely parroting what I recall, this may be the wrong
> term), the bloat was cured and memory usage returned to normal.

I don't suppose you have any record of what type of process it was / 
what the messages looked like?

Cheers, Simon

> Details that might matter in reproduction:  Our troubled mirrored
> queue used mode "nodes" (not "all"), picking two nodes out of a
> cluster of four.  When I created it, I used a modified rabbitmqadmin
> that connected to one of the two nodes, and specified that it and one
> other node should mirror the queue.  All messages were written with
> delivery-mode 2.  Messages are about 46K each.  While some of the
> messages were consumed, most were purged.  Queue deletion did not cure
> the leak.
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Simon MacMullen
RabbitMQ, VMware

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