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On 10/31/2012 09:48 AM, Edgar Magana (eperdomo) wrote:
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<div>Hi Folks,</div>
<div><br>
</div>
<div>I am running OpenStack Folsom with Quantum/OVS plugin. I am
running some performance tests for Quantum, basically I am
creating 5000 network with one subnet each one of them.</div>
<div>After the first ~50 – 70 networks the system response time is
slower and slower, to the point that it could take up to ~6 - 7
seconds to create just a network and the same for the subnets.</div>
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<br>
Hi,<br>
Is the problem you are seeing with the Quantum service or the
agents? Off the bat I would say that it is with the Quantum service.
Are the calls done in parallel or are they done sequentially?<br>
<br>
There are a number of things that we should do to isolate this:<br>
1. Check the internal logic of the network creation. Basically there
are 3 stages:<br>
i. provider network treatment<br>
ii network create<br>
iii. l3 notification<br>
It would be interesting to see who eats the most time.<br>
2. Need to profile database access<br>
<br>
Thanks<br>
Gary<br>
<br>
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<div>I would like to know if somebody else has experimented this
kind of behavior in Quantum or even in nova-network.</div>
<div><br>
</div>
<div>Thanks,</div>
<div><br>
</div>
<div>Edgar</div>
<div> </div>
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