Re: ActiveMQ refusing to send messages to my clients.

2015-03-01 Thread Tim Bain
I'd start by trying to figure out whether what's slow is the broker's delivery of messages to the ActiveMQ client code or the ActiveMQ client code's delivery of messages to your code, which is what those JMX stats would help you figure out. You say you're not seeing any log lines about slow consum

Re: ActiveMQ refusing to send messages to my clients.

2015-03-01 Thread Kevin Burton
Thanks.. I’m investigating whether this is slow consumer activity but I don’t have any log error messages marking them as slow. On Sun, Mar 1, 2015 at 6:59 AM, Tim Bain wrote: > Look in JMX to view all the consumers for a queue; for each one, look at > the dispatched count and see whether it's

Re: ActiveMQ refusing to send messages to my clients.

2015-03-01 Thread Tim Bain
Look in JMX to view all the consumers for a queue; for each one, look at the dispatched count and see whether it's around zero, around your prefetch buffer size, or somewhere in the middle. If they're all near zero, that means the broker isn't delivering messages to the clients' prefetch buffer fa

Re: ActiveMQ refusing to send messages to my clients.

2015-02-28 Thread Tim Robbins
Hi Kevin, Knowing how the clients are consuming messages could help, i.e. whether it’s transactional or not, whether MessageConsumers are being reused/pooled, etc. As a long shot, I’d try lowering the prefetch limit client side. I’ve had to do this occasionally to work around inefficient Camel

ActiveMQ refusing to send messages to my clients.

2015-02-28 Thread Kevin Burton
I’m having a weird situation where ActiveMQ is refusing to send messages to my consumers. I have 4 main queues that my consumers receive messages on. I have plenty of them. They have plenty of CPU, network, etc. I looked at their stack traces and they’re ALL waiting to receive messages. ActiveM