<div dir="ltr">Hi Jian,<div><br></div><div>thank you for your reply. I'm using SR-IOV, so I don't use Virtio for network, however I've tried to use configure RPS still doesn't seem to work:</div><div><br></div><div><img src="cid:ii_ifo0zvz20_1505c6b5e381eaed" width="562" height="55"><br>​<br></div><div>Any hint?</div><div><br></div><div>Regards,</div><div>Pedro Sousa</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Oct 10, 2015 at 6:47 AM, Jian Wen <span dir="ltr"><<a href="mailto:wenjianhn@gmail.com" target="_blank">wenjianhn@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><font color="#282828" face="Helvetica, Arial, sans-serif"><span style="font-size:15px;line-height:23px">You can try either of the following methods to </span></font><span style="color:rgb(40,40,40);font-family:Helvetica,Arial,sans-serif;font-size:15px;line-height:23px">distributes the load of processing received </span></div><div><span style="color:rgb(40,40,40);font-family:Helvetica,Arial,sans-serif;font-size:15px;line-height:23px">packets and spreads them across multiple CPUs.</span></div><div><span style="color:rgb(40,40,40);font-family:Helvetica,Arial,sans-serif;font-size:15px;line-height:23px"> <br></span><span style="color:rgb(40,40,40);font-family:Helvetica,Arial,sans-serif;font-size:15px;line-height:23px">Receive Packet Steering:</span></div><a href="https://engineering.pinterest.com/blog/building-pinterest-cloud" target="_blank">Optimizing EC2 Network Throughput On Multi-Core Servers</a><div><br></div><div>Multi-Queue virtio-net:<br></div><div><a href="https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Tuning_and_Optimization_Guide/sect-Virtualization_Tuning_Optimization_Guide-Networking-Techniques.html" target="_blank">https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Tuning_and_Optimization_Guide/sect-Virtualization_Tuning_Optimization_Guide-Networking-Techniques.html</a><br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, Sep 29, 2015 at 5:49 AM, Pedro Sousa <span dir="ltr"><<a href="mailto:pgsousa@gmail.com" target="_blank">pgsousa@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi all,<div><br></div><div>I'm trying to deploy some nfv apps on my Openstack deployment, however I'm having some performance issues in my VMs, that start to lose UDP packets at a specific packet transmission rate.</div><div><br></div><div> Here's what I've tried and found so far:</div><div><br></div><div>- VMs Centos 7.1 with 10GBe Neutron SR-IOV nics<br></div><div>- Configured Memory Hugepages: <a href="http://redhatstackblog.redhat.com/tag/huge-pages/" target="_blank">http://redhatstackblog.redhat.com/tag/huge-pages/</a></div><div>- Configured CPU Pinning and NUMA Topology:</div><div>- Increased memory network buffers in kernel </div><div>- Running "egrep ens6 /proc/interrupts" I see network Interrupts are not balanced evenly inside my guest across CPU cores, always hitting the same CPU.</div><div><br></div><div>Concerning this last issue does anybody have some good advices on how to tackle this, how can I share the network load across the vcpus inside the guest or am I looking in the wrong direction?</div><div><br></div><div>Some pointers would be appreciated.</div><div><br></div><div>Regards,</div><div>Pedro Sousa</div><div><br></div><div><br></div></div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div>Best,<br><br>Jian<br></div>
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