Hi Jon, > I notice that the default connection count for qpid is 300 > connections. That seems very low for the use case I'm interested in.
Ok, it's tunable. > Is it reasonable to expect that each broker can serve 10,000 > to 20,000 connections, if each connection just sees a few > messages a second, totaling perhaps a kilobyte each of > payload per second? Those numbers will pretty well max out a Gbit ethernet interface, but there's no reason it can't work with sufficient hardware. 60K msgs/sec should be doable without much problem. > Does this expectation hold up if I use queue forward > clustering (all exchanges are fan-out) across a hundred > brokers, each with 10,000 to 20,000 users? Yow... I've never tried something like that, but given enough switching and horsepower, it's worth a try. Keep us posted... Sounds like an interesting use. -Steve -- Steve Huston, Riverace Corporation Total Lifecycle Support for Your Networked Applications http://www.riverace.com --------------------------------------------------------------------- Apache Qpid - AMQP Messaging Implementation Project: http://qpid.apache.org Use/Interact: mailto:users-subscr...@qpid.apache.org