<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><pre><div>Hi</div><div><br></div>At 2019-09-02 15:58:00, "Wesley Peng" <weslepeng@gmail.com> wrote:
>Hi
>
>on 2019/9/2 15:43, ´ق؛مدم wrote:
>> Why the performance of Stein concurrent creation of VM is not as good as 
>> that of Ocata?
>> Create 250 VMs concurrently, the O version only needs 160s, but the S 
>> version needs 250s.
>
>Openstack's execution environment is complicated.
>It's hard to say O is faster than S from the architecture viewpoint.
>Are you sure two systems' running environment are totally the same for 
>comparision? including the software, hardware, network connection etc.
<div>
</div><div><br></div><div><div>The same set of servers, after testing version O, re-install the system, and then test version S.<br>First deployed version O, the operating system is Ubuntu 16.04.<br>Then deploy the version S, the operating system is ubuntu18.04.<br><br>The port_security function is disabled.But in the S version environment, adding a lot of flows on br-int. Does this slow down the creation of VM?<br><br>The flows is as follows:(for port qvo83b4285e-b5)<br>cookie=0x9ca1d4c6ecdcb31f, duration=257335.826s, table=0, n_packets=0, n_bytes=0, priority=10,icmp6,in_port="qvo83b4285e-b5",icmp_type=136 actions=resubmit(,24)<br>cookie=0x9ca1d4c6ecdcb31f, duration=257335.823s, table=0, n_packets=19, n_bytes=798, priority=10,arp,in_port="qvo83b4285e-b5" actions=resubmit(,24)<br>cookie=0x9ca1d4c6ecdcb31f, duration=257335.831s, table=0, n_packets=95, n_bytes=10680, priority=9,in_port="qvo83b4285e-b5" actions=resubmit(,25)<br>cookie=0x9ca1d4c6ecdcb31f, duration=257335.829s, table=24, n_packets=0, n_bytes=0, priority=2,icmp6,in_port="qvo83b4285e-b5",icmp_type=136,nd_target=fe80::f816:3eff:fe39:1601 actions=resubmit(,60)<br>cookie=0x9ca1d4c6ecdcb31f, duration=257335.826s, table=24, n_packets=19, n_bytes=798, priority=2,arp,in_port="qvo83b4285e-b5",arp_spa=<img src="file:///C:\users\chx\Application Data\Tencent\QQ\Temp\%W@GJ$ACOF(TYDYECOKVDYB.png">30.0.1.180 actions=resubmit(,25)<br>cookie=0x9ca1d4c6ecdcb31f, duration=257335.841s, table=25, n_packets=114, n_bytes=11478, priority=2,in_port="qvo83b4285e-b5",dl_src=fa:16:3e:39:16:01 actions=resubmit(,60)
</div></div><div><br></div><div><div style="font-family: Arial; white-space: normal;">Regards,</div><div style="font-family: Arial; white-space: normal;">Cuihx</div></div></pre></div><br><br><span title="neteasefooter"><p> </p></span>