Date: Thu, 17 Oct 2024 05:05:41 -0400 From: Cheng Cui <cc@freebsd.org> To: void <void@f-m.fm> Cc: freebsd-net@freebsd.org Subject: Re: Performance issues with vnet jails + epair + bridge Message-ID: <CAGaXuiL_Fk=_FtU23RoJBP0WguU8_-y3Tb1iZ=T2unVv-2aRpA@mail.gmail.com> In-Reply-To: <Zw_6SNSEW5mXMy_I@vm2> References: <20240912181618.7895d10ad5ff2ebae9883192@gmail.com> <Zw3YGPIBC_s-q-Vg@vm2> <Zw3dlDuaSXsIG-yX@vm2> <CAGaXuiLG4Qv2KgDtJveN3adLh6b8tEzC4j6OYfLo1_dj8BKZWQ@mail.gmail.com> <Zw_6SNSEW5mXMy_I@vm2>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] My commit is inside the FreeBSD kernel, so you just rebuild the `kernel`, and you don't need to rebuild the `world`. cc On Wed, Oct 16, 2024 at 1:39 PM void <void@f-m.fm> wrote: > 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. > >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 > > I've just realised, your commit didn't land in main until 17th Sept so > I'll need > to buildworld etc on the bhyve *host* as it was last built on the 8th. > Would this > make a difference? > > The new vms are -current and have been built over the last > couple of days, from fresh sources, so these will have your changes. > > The iperf3 destination is stable/14-n268832 amd64 1401502 1401502. > -- > > -- Best Regards, Cheng Cui [-- Attachment #2 --] <div dir="ltr"><div>My commit is inside the FreeBSD kernel, so you just rebuild the `kernel`, and</div><div>you don't need to rebuild the `world`.</div><div><br></div><div>cc</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Oct 16, 2024 at 1:39 PM void <<a href="mailto:void@f-m.fm">void@f-m.fm</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">Hi,<br> <br> On Tue, Oct 15, 2024 at 09:48:58AM -0400, Cheng Cui wrote:<br> >I am not sure if you are using FreeBSD15-CURRENT for testing in VMs.<br> >But given your iperf3 test result has retransmissions, if you can try, there<br> >is a recent VM friendly improvement from TCP congestion control CUBIC.<br> ><br> >commit ee45061051715be4704ba22d2fcd1c373e29079d<br> <br> I've just realised, your commit didn't land in main until 17th Sept so I'll need<br> to buildworld etc on the bhyve *host* as it was last built on the 8th. Would this<br> make a difference? <br> <br> The new vms are -current and have been built over the last<br> couple of days, from fresh sources, so these will have your changes.<br> <br> The iperf3 destination is stable/14-n268832 amd64 1401502 1401502.<br> -- <br> <br> </blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div></div>Best Regards,<div>Cheng Cui</div></div></div></div>
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAGaXuiL_Fk=_FtU23RoJBP0WguU8_-y3Tb1iZ=T2unVv-2aRpA>