Re: Consumers inexplicably blocked while producers run fine. Help?

2016-04-15 Thread aarontc
Thanks for the link, Tim - that article appears to exactly cover the problem we were seeing. I applied policies like to the queues which receive lots of large messages. The combination of settings for the policy seems to prevent overrunning the heap cache, and prevents starvation of consumers on

Re: Consumers inexplicably blocked while producers run fine. Help?

2016-04-14 Thread aarontc
Hi Tim, Yes - the consumers on Queue A will eventually start receiving messages once Queue B has had a bunch of messages removed. FWIW, I just verified this behavior is still present in 5.13.2. Thanks, -Aaron -- View this message in context: http://activemq.2283324.n4.nabble.com/Consumers-in

Consumers inexplicably blocked while producers run fine. Help?

2016-04-14 Thread aarontc
I'm looking for some pointers in diagnosing an issue we're seeing. I'll try to describe: ActiveMQ version: 5.12.1 OS: Ubuntu Linux 12.04 STOMP clients using Ruby 2.0.0 stomp gem v 1.1.10 We have two queues on a host with 8GiB of RAM and 20GiB of disk space. Under steady-state conditions... Queue