Hi Alfredo,

thank you for your quick answer. I tried both zc and dna with libzero
drivers with similar results.

Best regards,
Manuel

2015-10-29 9:58 GMT+01:00 Alfredo Cardigliano <[email protected]>:

> Hi Manuel
> performance are too poor to be related to NUMA,
> what driver are you using? If you are using ZC, did you prepend the "zc:”
> suffix to the interface name?
>
> Alfredo
>
> > On 29 Oct 2015, at 08:04, Manuel Polonio Torrellas <
> [email protected]> wrote:
> >
> > Hi guys,
> >
> > previously (PF_Ring 5.6.1 version), I was able to send traffic with
> pfsend at 9Gbps approximately (Intel 82599 based NICs). With latest PF_Ring
> versions (commit 16b46e5be64c583e313c32bf1268b5aad0045bf2 from October
> 19th, actually) I’m able to get 1.4Gbps at most. I’ve tested pfsend and
> zsend with identical results. My test environment is pretty outdated with
> dual core intel processors, but it’s the same test environment used to get
> that 9Gbps. The main difference is that I had to update Ubuntu 12.04 to
> 14.04.
> >
> > Could this undesired effect, be related with the fact that our
> processors don’t have NUMA support? Hugepages can only  be configured for
> the first node.
> > Any ideas on possible causes or workarounds are greatly appreciated.
> >
> > Today I will run new tests on another test environment with newer
> processors, trying to guess if NUMA support has something to do with this
> poor performance, and let you know my results and conclusions.
> >
> > Thanks in advance and best regards,
> > Manuel Polonio
> >
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