[rabbitmq-discuss] unexplained broker shutdown

Matthias Radestock matthias at rabbitmq.com
Mon Jul 18 12:14:16 BST 2011


On 18/07/11 11:56, PADIOU Pierre-Marie (MORPHO) wrote:
> What triggers message paging?

Running low on memory. Or, more accurately, rabbit estimating that it 
will run out of memory if messages keep getting produced/consumed at the 
current rates.

> Is there a configurable threshold?

There is no threshold as such at which paging starts, due to the 
heuristics mentioned above. There is, however, a threshold telling 
rabbit how much memory it has to play with. See 
http://www.rabbitmq.com/extensions.html#memsup. I recommend not fiddling 
with that.



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