I think you're issue is the prefetching of messages that is done by ActiveMQ. Set the prefetchSize to 1 and it should work as you expect it. See http://activemq.apache.org/what-is-the-prefetch-limit-for.html
Mario On 10/2/07, Ned Wolpert <[EMAIL PROTECTED]> wrote: > Folks- > > I'm trying to see how to best configure an ActiveMQ instance, but I > seem to be getting stuck and can use the help. If there is a link that > has the answer, or if you know the solution, please let me know. > Here's the situation that is causing me grief > > 1) Start one queue client (ack=client) > 2) Send 30 messages to the queue (client takes 10 seconds to process > each message) > 3) While the queue client is processing the first message, start 2 new > client processors > > The result is only the first queue client is processing any of those > first 30 messages. Only will new messages get 'round-robin' > assignment. So if after starting the those next 2 clients I send > another 30 messages, the first one will process a total of 40 > messages, and the second two will process 10 messages each. > > Is there a way in the configuration of the server, client, or anything > else, to better load balance the clients? I tested this behavior with > 4.1.1 and 5.0 snapshot with the same outcome. > > Thanks! > > -- > Virtually, Ned Wolpert > http://www.codeheadsystems.com/blog/ > > "Settle thy studies, Faustus, and begin..." --Marlowe >
