[rabbitmq-discuss] Steady performance degradation
matthias at lshift.net
Sat Sep 26 05:26:29 BST 2009
Matthias Radestock wrote:
> I can't be sure of anything, given that I haven't seen the complete
> code. But the order of suspects is: the application code, the
> system/network setup, the Java client lib, the server.
Also, the following would be on my list of things to check:
1) Is the test exhausting some server resources, in particular CPU or
2) Is the measurement code correct?
3) You mentioned the use of a basic.qos prefetch limit - do you get the
same results w/o that?
4) Are messages marked as persistent? If so, do you get the same results
5) Are you using tx at all? If so, do you get the same results w/o that?
I would also recommend that you simplify your test code as much as
possible. If you can condense it to something along the lines of the
shipped examples then a) you can send it to us, and b) it will be much
easier to track down where the problem may be.
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