<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Sep 3, 2015 at 8:43 AM, Andrey Pavlov <span dir="ltr"><<a href="mailto:andrey.mp@gmail.com" target="_blank">andrey.mp@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Hello,<div><br></div><div>We have rally job with fake virt driver. And we run it periodically.</div><div>This job runs 200 servers and measures 'show' operations.<br></div><div><br></div><div>On 18.08 it was run well[1]. But on 21.08 it was failed by timeout[2].<br></div><div>I tried to understand what happens.</div><div>I tried to check this job with 20 servers only[3]. It passed but I see that </div><div>operations with neutron take more time now (list subnets, list network interfaces).</div><div>and as result start and show instances take more time also.</div><div><br></div><div>Maybe anyone knows what happens?</div></div></blockquote><div><br></div><div>Looking at the merged Neutron patches between the 18th and 21st, there's a lot of</div><div>candidates, including QoS and work around quotas.</div><div><br></div><div>I think the best way to find out would be to run a profiler against Neutron from the 18th,</div><div>and Neutron from the 21st while running the Rally tests, and finding out if the major</div><div>bottlenecks moved. Last time I profiled Neutron I used GeventProfiler: </div><div><a href="https://pypi.python.org/pypi/GreenletProfiler">https://pypi.python.org/pypi/GreenletProfiler</a><br></div><div><br></div><div>Ironically I was having issued with the profiler that comes with Eventlet.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div><br></div><div><br></div><div><div>[1] <a href="http://logs.openstack.org/13/211613/6/experimental/ec2-api-rally-dsvm-fakevirt/fac263e/" target="_blank">http://logs.openstack.org/13/211613/6/experimental/ec2-api-rally-dsvm-fakevirt/fac263e/</a></div><div>[2] <a href="http://logs.openstack.org/74/213074/7/experimental/ec2-api-rally-dsvm-fakevirt/91d0675/" target="_blank">http://logs.openstack.org/74/213074/7/experimental/ec2-api-rally-dsvm-fakevirt/91d0675/</a><br></div><div>[3] <a href="http://logs.openstack.org/46/219846/1/experimental/ec2-api-rally-dsvm-fakevirt/dad98f0/" target="_blank">http://logs.openstack.org/46/219846/1/experimental/ec2-api-rally-dsvm-fakevirt/dad98f0/</a><span class=""><font color="#888888"><br></font></span></div><span class=""><font color="#888888"><div><br></div>-- <br><div><div dir="ltr">Kind regards,<div>Andrey Pavlov.</div></div></div>
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