[rabbitmq-discuss] RabbitMq not honouring high_watermark setting?
danbarua at gmail.com
Wed Jul 13 13:11:30 BST 2011
Aaaah yes cheers Emile - the Erlang 32-bit limit slipped my mind there.
On Jul 13, 2011 1:04 PM, "Emile Joubert" <emile at rabbitmq.com> wrote:
> On 13/07/11 12:55, Dan B wrote:
>> I should have RTFM a bit more thoroughly.
>>>> Thus when RabbitMQ can't recognize your platform, if you actually have
>>>> installed and you want RabbitMQ to throttle producers when the server
>>>> above 3GB, set vm_memory_high_watermark to 3
>> On my server, vm_memory_high_watermark = n results in a watermark of
>> 2n for some reason. I've set it to 1.5 (3gb), I'm not sure if Rabbit
>> can access all of that though, probably not.
> You are certain to run out of memory at some point if you do that.
> Unfortunately the Windows Erlang VM is 32bit and limited to 2Gb. Some
> versions of Windows support an alternative memory model that may allow a
> suitably patched Erlang VM access to slightly more memory, but I don't
> know of anyone succeeding in making it work:
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