[rabbitmq-discuss] rabbitmq service down when test with tool com.rabbitmq.examples.MulticastMain for a heavry load

Tim Watson tim at rabbitmq.com
Thu Sep 6 09:51:08 BST 2012


On 6 Sep 2012, at 09:25, andyzhang wrote:

> I have test the rabbitmq service with the official java client tool com.rabbitmq.examples.Multicastmain
> when i run the client with config:
> -r,--rate 250
> -s,--size 1100
> -x 50
> -y 50
> with this config i gained 13MB/s bandwidth for the rabbitmq server
> after run for about 10minutes. the rabbit server go down
> 
> the server spec is: 64GB mem 4 cpu 32G disk
> before it go down all these status seems pretty good..
> 
> the strace info is listed below:
> write(3, "377", 3)                      = 3
> write(3, "\n", 1)                       = 1
> write(3, "Heap unused: ", 13)           = 13
> write(3, "1173", 4)                     = 4
> write(3, "\n", 1)                       = 1
> write(3, "OldHeap unused: ", 16)        = 16
> write(3, "118", 3)                      = 3
> write(3, "\n", 1)                       = 1
> write(3, "Program counter: ", 17)       = 17
> write(3, "0x", 2)                       = 2
> write(3, "0000", 4)                     = 4
> write(3, "7f58727a0660", 12)            = 12
> write(3, " (", 2)                       = 2
> write(3, "r", 1)                        = ? <unavailable>
> +++ killed by SIGALRM +++
> 

This looks suspiciously like it is trying to produce erl_crash.dump, which is generated when the emulator crashes. Do you have any other information, i.e., rabbit logs. Also, what is your OS, erlang version and rabbit versions please?


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