[Spread-users] Competing consumer

[John Schultz]

So, do you want a Spread daemon to map a single identity that it is 
serving to multiple connections and push copies of the messages meant 
for the single identity down those multiple connections?

If that is what you want you, then you could patch Spread to do this, 
although it would be non-trivial.  I have not heard of anyone doing this 
with Spread previously.

You currently can have multiple threads within the same process compete 
for messages on the same connection.  However, you lose the strong 
message ordering guarantees of Spread due to the uncertainty of threads 
swapping in and out.  Also, if you are closing and opening connections 
you could trigger a known race condition that currently exists inside 
the client library.

Good luck!
John

-- 
John Lane Schultz
Spread Concepts LLC
Phn: 443 838 2200

Leon Brocard wrote:
> John Schultz sent the following bits through the ether:
> 
> 
>>Could you describe what you mean by "competing consumers" and why you 
>>think it might need a patch?
> 
> 
> Here's a pretty picture:
> http://www.eaipatterns.com/CompetingConsumers.html
> 
> I am asking about what JMS calls the point-to-point style of
> messaging. Spread does the publish-and-subscribe fine, but currently I
> belive I need the former. Is this clearer?
> 
> Leon




-- 
John Lane Schultz
Spread Concepts LLC
Phn: 443 838 2200