Date: Wed, 16 Oct 2024 01:02:29 +0100 From: void <void@f-m.fm> To: freebsd-net@freebsd.org Subject: Re: Performance issues with vnet jails + epair + bridge Message-ID: <Zw8ClcXW76NPm0GO@vm2> In-Reply-To: <CAGaXuiLG4Qv2KgDtJveN3adLh6b8tEzC4j6OYfLo1_dj8BKZWQ@mail.gmail.com> References: <20240912181618.7895d10ad5ff2ebae9883192@gmail.com> <Zw3YGPIBC_s-q-Vg@vm2> <Zw3dlDuaSXsIG-yX@vm2> <CAGaXuiLG4Qv2KgDtJveN3adLh6b8tEzC4j6OYfLo1_dj8BKZWQ@mail.gmail.com>
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Hi, On Tue, Oct 15, 2024 at 09:48:58AM -0400, Cheng Cui wrote: >I am not sure if you are using FreeBSD15-CURRENT for testing in VMs. the test vm right now is main-n272915-c87b3f0006be built earlier today. the bhyve host is n271832-04262ed78d23 built Sept 8th the iperf3 listener is stable/14-n268832-647860bff214 >But given your iperf3 test result has retransmissions, if you can try, there >is a recent VM friendly improvement from TCP congestion control CUBIC. > >commit ee45061051715be4704ba22d2fcd1c373e29079d At the moment, it's using the new rack thing. Can rack be used with your cubic changes? Both the guest and the host vm were built after your changes. I'll try your suggestion and post back the results. Thank you for your suggestion! --
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