[rabbitmq-discuss] Newer version of the erlang emulator and RabbitMQ

Thu Sep 11 17:16:19 BST 2008

Ben,

When trying to use Erlang R12B-4 this morning with the newest RabbitMQ  
I ran into the error:

=ERROR REPORT==== 11-Sep-2008::09:49:31 ===
Error in process <0.4413.0> on node 'rabbit at ziggy' with exit value:  
{function_clause,[{io_lib_fread,fread,["{ ~f ~f ~f }",[],0,[]]}, 
{cpu_sup,get_uint32_measurement,2},{cpu_sup,measurement_server_loop,1}]}

Have you tried using R12B-4 yourself?

Regards,

Peter

On 11-Sep-08, at 12:07 PM, Ben Hood wrote:

> Eran,
>
> On Thu, Sep 11, 2008 at 4:46 PM, Eran Sandler  
> <eran.sandler at gmail.com> wrote:
>> The version of erlang distributed for Windows is rather old (about  
>> 1+ years
>> old).
>>
>> Is there any specific benefit for moving to a new emulator?
>
> We have had various reports of performance increases when moving from
> 11RB-x to 12RB-y, so it would be definitely worth your while to
> upgrade to the latest version of Erlang (I am using 12RB-4).
>
> As much as anything, the OTP team has put in lots of fixes and
> performance increases in the last year, so it is good idea to keep up
> to date with this.
>
>> Is there a test suite of some kind that I can use if I want to test  
>> RabbitMQ
>> on Windows on a newer erlang emulator?
>
> If you want to test the performance, you can look at the performance
> tests in the Java client (MulticastMain, ProducerMain, ConsumerMain).
>
>> I suspect that my previous problems that caused the 541 error might  
>> be
>> related to a combination of Windows, old erlang and RabbitMQ and I  
>> want to
>> rule that out.
>
> I shouldn't think so, but it would be very interesting to know if this
> were really the case.
>
>> I hope that the new erlsrv might fix the issue that I'm currently
>> experiencing.
>
> Without having any experience of this, I can't comment.
>
> Ben
>
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