Hi Gordon,
thanks for the hint, it works well with --durable option.

Kind regards,
Pavel


----- Original Message -----
From: "Gordon Sim" <[email protected]>
To: [email protected]
Sent: Monday, June 13, 2011 3:16:57 PM
Subject: Re: flow-to-disk limit-policy not working?

On 06/09/2011 02:00 PM, Pavel Moravec wrote:
> Hello all,
> I am playing with --limit-policy flow-to-disk option when creating qpid 
> queues but it seems that the option is not applied when it should.
>
> My steps:
> $ service qpidd restart
> $ qpid-config add queue my-queue --limit-policy=flow-to-disk 
> --max-queue-count=90
> $ qpid-config queues
> Queue Name Attributes
> ==================================================
> my-queue --max-queue-count=90 --limit-policy=flow-to-disk
> ..
> $ # ok, queue created with the desired parameters.
> $ # Let use standard C++ spout program to send there 100 messages
> $ ./spout -c 100 my-queue
> 2011-06-09 14:53:08 warning Exception received from broker: 
> resource-limit-exceeded: resource-limit-exceeded: resource-limit-exceeded: 
> Policy exceeded on my-queue, policy: size: max=104857600, current=0; count: 
> max=90, current=90; type=reject (qpid/broker/QueuePolicy.cpp:87) [caused by 
> 93 \x00:\x00]
> 2011-06-09 14:53:08 warning Exception received from broker: 
> resource-limit-exceeded: resource-limit-exceeded: resource-limit-exceeded: 
> Policy exceeded on my-queue, policy: size: max=104857600, current=0; count: 
> max=90, current=90; type=reject (qpid/broker/QueuePolicy.cpp:87) [caused by 1 
> \x00:\x00]
> Failed to connect (reconnect disabled)
> $
>
> I.e. when sending>90 messages without reading any one, qpid rejects the 
> messages coming over limit. Despite --limit-policy settings.
>
> I have tested this both on qpid 0.7 and qpid 0.10 with the same result. Is 
> the limit-policy option broken (I don't suppose so..)? Or what error I did?

Not entirely obvious, but you need to make the queue durable for the 
flow-to-disk option to have any effect.

Should probably raise an error when creating a non-durable queue with 
that policy rather than ignoring it.

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