Date: Tue, 12 Mar 2024 20:14:17 +0100 From: tuexen@freebsd.org To: Nuno Teixeira <eduardo@freebsd.org> Cc: current@freebsd.org, net@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: <486915F0-456B-4B09-A8BC-93BBA79C4CA1@freebsd.org> In-Reply-To: <CAFDf7U%2BU3QpgsG-hY0u3tC_X9WKSRzuAM7Nfhzu-%2BqPBbs1nng@mail.gmail.com> References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> <CAFDf7U%2BU3QpgsG-hY0u3tC_X9WKSRzuAM7Nfhzu-%2BqPBbs1nng@mail.gmail.com>
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> On 12. Mar 2024, at 14:39, Nuno Teixeira <eduardo@freebsd.org> wrote: > > Hello, > > I'm curious about tcp RACK. > > As I do not run on a server background, only a laptop and a rpi4 for > poudriere, git, browsing, some torrent and ssh/sftp connections, will > I see any difference using RACK? > What tests should I do for comparison? You might want to read the following article in the FreeBSD Journal: https://freebsdfoundation.org/our-work/journal/browser-based-edition/rack-and-alternate-tcp-stacks-for-freebsd/ There is no specific area for testing. Just test the stack on the systems you use with the workload you use and report back any issues... Best regards Michael > > Thanks, > > <tuexen@freebsd.org> escreveu (quinta, 16/11/2023 à(s) 15:10): >> >> Dear all, >> >> recently the main branch was changed to build the TCP RACK stack >> which is a loadable kernel module, by default: >> https://cgit.FreeBSD.org/src/commit/?id=3a338c534154164504005beb00a3c6feb03756cc >> >> As discussed on the bi-weekly transport call, it would be great if people >> could test the RACK stack for their workload. Please report any problems to the >> net@ mailing list or open an issue in the bug tracker and drop me a note via email. >> This includes regressions in CPU usage, regressions in performance or any other >> unexpected change you observe. >> >> You can load the kernel module using >> kldload tcp_rack >> >> You can make the RACK stack the default stack using >> sysctl net.inet.tcp.functions_default=rack >> >> Based on the feedback we get, the default stack might be switched to the >> RACK stack. >> >> Please let me know if you have any questions. >> >> Best regards >> Michael >> >> >> > > > -- > Nuno Teixeira > FreeBSD Committer (ports)
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