[rabbitmq-discuss] Rabbit slowing down on accepting messages
simon at rabbitmq.com
Wed Mar 19 17:24:42 GMT 2014
On 19/03/14 16:27, Ron Cordell wrote:
> Any suggestions on places to look to see what the underlying issue might be?
The good news is that performance bottlenecks will get easier to
diagnose in 3.3.0. The bad news is it's not out yet.
140kmsg/h is only 40msg/s - so you should not have any difficulty
hitting that even on modest hardware. I assume the messages were
persistent as well as mirrored, but unless the messages were both very
large and persistent you should not have a problem there.
Was anything on the broker looking busy (CPU, disk?) Did any of the
connections show a status of "flow"?
If the answer to those questions is "no" then could you be publishing
(effectively) synchronously? Do you use mandatory publishing, publish
inside transactions, or use confirms in a non-streaming way (i.e.
publish, wait for confirm, repeat)?
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