[rabbitmq-discuss] server crashes with very fast consumers

Fri Mar 18 03:48:58 GMT 2011

Matthew:

> one thing i found is broker always shows "Memory limit set to 1638MB." in the 
>log.  We have 16 GB RAM so it should be 40% of the RAM by default.   I will try 
>to  investigate more tomorrow.

It turns out that I was running the broker using 32 bit binary, that is why the 
memory limit is 40% * 4GB = 1.6 GB.  the broker would crash if there are more 
than 50 GB of messages in 1000 queues.  When this happened, the  memory usage 
reached 4 GB.
If I run the broker using 64 bit,  it does not crash because it could get more 
than 6 GB of memory.   It was able to consume all the messages at rate of 
100-200 MB/sec.

Thanks.

-alex

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