[rabbitmq-discuss] Using RabbitMQ for desktop-style messaging in a web app

Bill Moseley moseley at hank.org
Tue Dec 6 05:04:46 GMT 2011

We have a lot of background processing that happens in a web app and
investigating ways to message users when a background task is complete.
 I'm wondering if anyone is using RabbitMQ for something like this and can
describe their architecture.

We might have 20K concurrent users "logged in" at any given time.  Some
background tasks are important and the user must be notified, and for those
we use the database.  But, there's a number of other tasks that user can
trigger where it's not critical that the user is notified, but would be
nice to see.  These would be very similar to "you have new mail" in a mail
client, for example.

Questions that have come up is should message queues be session based or
user based -- that is if you log into the web app with two browsers (or on
two machines) would messages be broadcasted to all sessions for a give user
or be session-specific, and how to deal with the non-persistent connections
in web apps.

 Anyone using RabbitMQ for this type of application?


Bill Moseley
moseley at hank.org
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