[rabbitmq-discuss] server crashes with very fast consumers

John DeTreville john at detreville.org
Fri Mar 18 04:45:57 GMT 2011


When your broker crashes, does it produce anything interesting in the console output or in the log files?


On Mar 17, 2011, at 20:48, alex chen <chen650 at yahoo.com> wrote:

> 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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