[Openstack-operators] Kilo NFV Performance Optimization advices on compute nodes
wenjianhn at gmail.com
Sat Oct 10 05:47:45 UTC 2015
You can try either of the following methods to distributes the load of
packets and spreads them across multiple CPUs.
Receive Packet Steering:
Optimizing EC2 Network Throughput On Multi-Core Servers
On Tue, Sep 29, 2015 at 5:49 AM, Pedro Sousa <pgsousa at gmail.com> wrote:
> Hi all,
> 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.
> Here's what I've tried and found so far:
> - VMs Centos 7.1 with 10GBe Neutron SR-IOV nics
> - Configured Memory Hugepages:
> - Configured CPU Pinning and NUMA Topology:
> - Increased memory network buffers in kernel
> - Running "egrep ens6 /proc/interrupts" I see network Interrupts are not
> balanced evenly inside my guest across CPU cores, always hitting the same
> 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?
> Some pointers would be appreciated.
> Pedro Sousa
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
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