Yes, this was with iperf3 -- I will see what I can do with AMQP.
On Tue, Feb 16, 2021 at 2:32 PM Ted Ross <[email protected]> wrote: > Thanks for this Mick, > > The original context of the request for this graph was the AMQP > large-message testing. Was this test run using iperf over the TCP > adaptor? If so, it's possible that the buffering between the adaptor and > Proton is obscuring the results. > > I suspect that in the absence of vectored IO, the optimal Proton > raw-buffer-size is larger than the optimal internal-buffer-size. This is a > conjecture not based on science. > > -Ted > > On Tue, Feb 16, 2021 at 1:53 PM Michael Goulish <[email protected]> > wrote: > > > I keep forgetting that I can't include images. > > > > <https://www.dropbox.com/s/b9sbe4cbh3mddo4/buffer_vs_throughput.jpg?dl=0 > > > > Here it is. > > <https://www.dropbox.com/s/b9sbe4cbh3mddo4/buffer_vs_throughput.jpg?dl=0 > > > > > > I'm afraid there's not much of any knee in this curve. > > > > By the way, CPU was almost unaffected. > > Actually it improved slightly, from 208% at 512 byte buffer, > > to 195 for buf=2048 to 191 for buf=3072 and above. > > >
