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From Ilyushonak Barys <Barys_Ilyusho...@troika.ru>
Subject perftest performance and qpid messaging api
Date Mon, 27 Jun 2011 10:25:19 GMT
Hi, folks.

I have done some tests in my environment and faced with very strange behavior.
Perftest works in some times faster (average 5), than my custom code (c++ client). I'm speaking
about relative value in constant environment.
The main question is: is any difference in performance between client api and messaging api?
The perftest use client api (which deprecated after v0.6), I use messaging api.

I have goal to increase subscriber performance, so I tried varied things, like

1)      http://qpid.apache.org/books/0.10/Programming-In-Apache-Qpid/html/ch02s06.html

2)      non-persistence messages

3)      reliability: unreliable/at-least-once

4)      using or not client acknowledge
It allowed me to increase performance in 2 times. But my client still works in 5 times slower,
than perftest.

I have clustered 0.8 c++ broker (virtual), and one workstation as a client machine.
I use c++ client, constant message size (64 bytes) in both tests.

Please, advice.

Best Regards,
Barys Ilyushonak


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