[rabbitmq-discuss] Rabbitmq-Shovel Timer-Based Publishing Possible?

[Scott Brooks]

I think the situation is as follows.

tx_size is set to something large so that it's still a transactional
commit, but is fast enough for the peak day time traffic, but at night
it may take a while before tx_size messages are ready to be committed.

I think they are looking for a way to have the transactions be
committed when tx_size is reached, or after specified period of time.

Scott Brooks

On Wed, Mar 16, 2011 at 9:46 AM, Matthias Radestock
<matthias at rabbitmq.com> wrote:
> Allen,
>
> On 15/03/11 15:33, Allen Kim wrote:
>>
>> Timer-based publish(shovel) means publishing on every seconds or minute
>> regardless of number of queue stacked.
>> In our case, if we publish only on based on number of queues, it will
>> publish very busy during day time and slowly at night.
>>
>> The worst case that I see is it does not shovel when there is no queue
>> increasing.
>> I want queues shovelled every few seconds, guaranteed, so that other
>> cluser receive messages not too late.
>
> The shovel maintains permanent connections and reconnects them on failure.
> Messages get shovelled straight away.
>
> Does that meet your requirements? Perhaps I am misunderstanding your use
> case, but I don't see the benefit of shovelling at regular intervals only
> instead of all the time.
>
> Regards,
>
> Matthias.
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