[rabbitmq-discuss] Ready, Unacked and Total messages of Queues
mklishin at gopivotal.com
Tue Apr 15 10:00:57 BST 2014
Please keep rabbitmq-discuss in CC.
On 15 April 2014 at 12:53:15, Juno Chan (juno at algorithmictradinggroup.com) wrote:
> > For testing purposes, I tried to set the per queue message TTL
> value to 100 ms, and the queue really grows up more slowly(both
> ready and unack), and it drops messages too
Expired messages are deleted, so this is expected.
> However, after I added the Channel.BasicQos(0, 1, false), with
> x-message-ttl to a higher value(e.g. 1min), when I set a breakpoint,
> the queue was having a relatively low unack, but the ready # messages
> are going up quite high, may I know is that the normal behaviour
> as well?
It just means that your consumer(s) cannot keep up with publisher(s).
Add more consumers or throttle publishers.
Software Engineer, Pivotal/RabbitMQ
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