[rabbitmq-discuss] RabbitMQ Usage Patterms?

Shalom Rav csharpplusproject at gmail.com
Tue Jul 19 18:02:14 BST 2011


Thank you. I will take a look at puka.

I think I was not successful clarifying what I am trying to do. So
here's another attempt.

Simply, I want my application (which is written in python) to receive
messages ONLY when my application desires to, NOT when messages

Here's a simple example:

Suppose that we have ONE parent, and many children that run at the
same time. Every 1[min] or so, each child sends a unique message to
the parent.

Yet, the parent is busy doing it's own work. It doesn't want to be
interrupted whenever a child sends him a message. Instead, the parent
'says' to the children: "just send me the messages -- I will get to
them when I get a free moment".

Whenever the parent gets a free moment (say, every 15[min] or so), it
temporarily stops its work, read the messages, and then resumes back
to his work.

This is essentially how we all read our emails -- we don't consume
*every email* the moment it arrives to us! sometimes, there is a delay
until we get to read a message.

The question is, how can I model the above parent / children behavior
using python?


On Jul 19, 12:52 pm, Marek Majkowski <maje... at gmail.com> wrote:
> On Tue, Jul 19, 2011 at 17:31, Shalom Rav <csharpplusproj... at gmail.com> wrote:
> > Thank you for your response.
> > Obviosuly, my main attention goes to the application itself. So 99% of
> > the time, I'd like it to just run.
> > I am *happy* to block my app momentarily to consume incoming messages
> > as they arrive. Then, when messages are consumed, I'd like the
> > application to keep running.
> > The question is, how do I achieve the above using python?
> > So far, it looks like *channel.start_consuming()* just BLOCKS
> > EVERYTHING and puts 100% of the focus on the messaging (not letting
> > anything else to run).
> > Any idea how to solve this?
> I see. I guess there should be a way of doing something like
> start_consuming() but with a timeout, but I can't find anything.
> If you are interested in my opinion, take a look at this:
>    http://www.rabbitmq.com/blog/2011/07/08/%EF%BB%BFpuka-rethinking-amqp...
> Cheers,
>   Marek
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