I'm actually measuring the performance on the client side, so it's 12,000 messages sent to the broker each second. I have two subscribers, running on separate machines. The subscribers are not transactional. Thanks, Andy. -----Original Message----- From: Robert Greig [mailto:robert.j.greig@gmail.com] Sent: 13 November 2007 11:51 To: qpid-users@incubator.apache.org Subject: Re: QPID M2 and Berkley DB On 13/11/2007, Andy Grove wrote: > I'm more interested in scalability than raw performance per client. I'm > currently seeing maximum throughput of around 12,000 messages per second for > the particular test that I am running (sending 1k persistent transactional > messages to durable subscribers on a single topic with the publisher, broker > and consumer each running on separate quad-core 2.4ghz Intel boxes running > Fedora 8). That's interesting. How are you measuring the 12,000 per second? Is that 12,000 received per second per consumer? RG