Re: [vpp-dev] vPP handoff discussion

2018-12-18 Thread Kingwel Xie
Unfortunately no. However we did suffer from the packet drop issue due to queue full, when system load is not heavy. In the end we discovered some vectors in the queue only have very few buffers in them. And if we increased the queue size, drop rate goes down. We have a dpdk ring based mechanis

Re: [vpp-dev] vPP handoff discussion

2018-12-18 Thread Damjan Marion via Lists.Fd.Io
Possibly, do you have any numbers to support your statement? -- Damjan > On 18 Dec 2018, at 10:14, Kingwel Xie wrote: > > Hi Damjan, > > My fault that I should have made it clear. What I want to say is that I > wonder if the existing handoff mechanism needs some improvement. Using a ring

[vpp-dev] vPP handoff discussion

2018-12-18 Thread Kingwel Xie
Hi Damjan, My fault that I should have made it clear. What I want to say is that I wonder if the existing handoff mechanism needs some improvement. Using a ring seems to be simpler, and better from performance perspective. Even more, I think it could help with the packet drop issue due to bigge