Hi All, These are our n2membenchmarks:
user@mon03:~$ sudo n2membenchmark 43368699.838202 pps/22.204774 Gbps 42639209.533752 pps/21.831275 Gbps 42501135.455717 pps/21.760581 Gbps 43745856.911580 pps/22.397879 Gbps 35157099.401825 pps/18.000434 Gbps 32567529.758572 pps/16.674576 Gbps 43278821.125976 pps/22.158756 Gbps 42753771.110469 pps/21.889931 Gbps This is on bare metal with ~32GB RAM and 12 Cores on a Hex-core with HT enabled. I plan on running ~ 8 Virtual NIC queues to keep 4 cores free - thoughts? - Tim > On 5 Jan 2017, at 10:18 pm, Tim Raphael <[email protected]> wrote: > > Thanks Alfredo, > > The installed NTop application is currently in a VM however the numademo > numbers were generated via a live CD (an easy way to test performance without > flattening the host). > The R520 has 12 RAM slots, we’re filled the 6 (in triple-channel > configuration) associated with the filled processor. > I’ll have a crack at the n2membenchmark tool and let you know. > > Cheers, > > Tim > > > > >> On 5 Jan 2017, at 10:12 pm, Alfredo Cardigliano <[email protected]> wrote: >> >> Hi Tim >> how many RAM slots did you fill in practice? “All” or “all channels”? >> Please run n2membenchmark, included in the n2disk package, which is our >> benchmarking tool and let us see some output. >> Are you running a VM on this R520 or a native OS? >> >> Alfredo >> >>> On 5 Jan 2017, at 14:37, Tim Raphael <[email protected]> wrote: >>> >>> Hi All, >>> >>> We have a Dell R520 with a single processor (and one empty slot) and all >>> the associated RAM slots filled. >>> numademo shows we can do 14,000MB/s which is apparently a little short of >>> the 16,000MB/s required for line rate 10Gbit PF_RING NTop analysis. >>> >>> Is there anything else we can do with the hardware to up potential >>> performance? >>> >>> We have previously installed NTop with PF_RING on a VM on a dedicated R710 >>> (dual Proc, 24GB RAM) and could only do 4Gbit/s tops. >>> In the case of the R520, we don’t have to worry about NUMA allocation as >>> there is only one CPU, all the correct RAM slots are filled and the PCIe >>> slot the NIC is using is directly connected to the CPU filled. >>> >>> Would it be worth installing NTop on bare metal? >>> >>> Regards, >>> >>> Tim >>> >>> >>> _______________________________________________ >>> Ntop mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop >> >> _______________________________________________ >> Ntop mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop > _______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop
