Date: Tue, 23 May 2023 16:23:46 -0500 From: Kristof Provost <kp@FreeBSD.org> To: Benoit Chesneau <benoitc@enki-multimedia.eu> Cc: freebsd-net@freebsd.org Subject: Re: how to increase the vnet speed? Message-ID: <84F8F5E0-FF88-4C42-A6E8-7C5F2F458BEF@FreeBSD.org> In-Reply-To: <TbR2mwTT9IpAlR-ds87h3qzhRbj1mVmWUGVVsmxQU2qq6Z1Bv52fsaB5LqUxaZT9ooHdXo2VIhcYQu2zkT7eVMxwbbfxIv6q2JNHp7l-ydM=@enki-multimedia.eu> References: <TbR2mwTT9IpAlR-ds87h3qzhRbj1mVmWUGVVsmxQU2qq6Z1Bv52fsaB5LqUxaZT9ooHdXo2VIhcYQu2zkT7eVMxwbbfxIv6q2JNHp7l-ydM=@enki-multimedia.eu>
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On 23 May 2023, at 14:58, Benoit Chesneau wrote: > I've created a jail using bastille and setup network. The mainin terfac= e is a 25Gbps nic and between hosts I get 24.6 Gbits/sec : > > [ ID] Interval Transfer Bitrate[ 5] 0.00-1.00 sec 2.87 GBytes 24.6 Gbit= s/sec > [ 5] 1.00-2.00 sec 2.88 GBytes 24.7 Gbits/sec > [ 5] 2.00-3.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 3.00-4.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 4.00-5.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 5.00-6.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 6.00-7.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 7.00-8.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 8.00-9.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 9.00-10.00 sec 2.87 GBytes 24.7 Gbits/sec > [ 5] 10.00-10.00 sec 128 KBytes 17.2 Gbits/sec > - - - - - - - - - - - - - - - - - - - - - - - - - > [ ID] Interval Transfer Bitrate > [ 5] 0.00-10.00 sec 28.7 GBytes 24.7 Gbits/sec receiver > > But between one host and the jail I only get 3.96 Gbits/sec > > ID] Interval Transfer Bitrate Retr Cwnd[ 5] 0.00-1.00 sec 477 MBytes 4.= 00 Gbits/sec 44 278 KBytes > [ 5] 1.00-2.00 sec 455 MBytes 3.82 Gbits/sec 41 215 KBytes > [ 5] 2.00-3.00 sec 463 MBytes 3.89 Gbits/sec 61 391 KBytes > [ 5] 3.00-4.00 sec 488 MBytes 4.10 Gbits/sec 39 336 KBytes > [ 5] 4.00-5.00 sec 484 MBytes 4.06 Gbits/sec 30 253 KBytes > [ 5] 5.00-6.00 sec 448 MBytes 3.76 Gbits/sec 44 355 KBytes > [ 5] 6.00-7.00 sec 454 MBytes 3.81 Gbits/sec 56 266 KBytes > [ 5] 7.00-8.00 sec 471 MBytes 3.95 Gbits/sec 41 325 KBytes > [ 5] 8.00-9.00 sec 500 MBytes 4.20 Gbits/sec 39 321 KBytes > [ 5] 9.00-10.00 sec 475 MBytes 3.98 Gbits/sec 42 367 KBytes > - - - - - - - - - - - - - - - - - - - - - - - - - > [ ID] Interval Transfer Bitrate Retr > [ 5] 0.00-10.00 sec 4.61 GBytes 3.96 Gbits/sec 437 sender > [ 5] 0.00-10.00 sec 4.61 GBytes 3.96 Gbits/sec receiver > > Is there a way to increase the performance of the of the jail? The nice= is a mellannox ConnectX-4 Lx, mce(4) . > What=E2=80=99s your setup? The source of the bottleneck would be completely different if you route o= r bridge, pass the interface into the vnet or use epair or =E2=80=A6 or .= =2E or. We can=E2=80=99t just guess. Kristof
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