Date: Sat, 18 Nov 2023 09:50:43 +0100 From: tuexen@freebsd.org To: Tomoaki AOKI <junchoon@dec.sakura.ne.jp> Cc: freebsd-current@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: <B885D7C1-78CE-490C-98F3-6AA43E575558@freebsd.org> In-Reply-To: <20231118083704.3ebc17eb8f392ceae33f65f7@dec.sakura.ne.jp> References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> <ZVdquxLWZcpQrqUQ@int21h> <bc2348d5dd718f1bbbf723cd795d7c7f@Leidinger.net> <2bbfcf68-3249-45c7-a8e5-af7115a1ccfe@gmail.com> <C25A2799-6764-440A-9E5E-77665C03E974@freebsd.org> <20231118083704.3ebc17eb8f392ceae33f65f7@dec.sakura.ne.jp>
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> On Nov 18, 2023, at 00:37, Tomoaki AOKI <junchoon@dec.sakura.ne.jp> = wrote: >=20 > On Fri, 17 Nov 2023 18:51:05 +0100 > tuexen@freebsd.org wrote: >=20 >>> On Nov 17, 2023, at 17:06, Johan Hendriks <joh.hendriks@gmail.com> = wrote: >>>=20 >>> I am running the rack stack for quiet some time now on a baremetal = machiene and never had problems. >>> Also use pf. This is a test machine so not a lot happening on it. >>>=20 >>> Are there any thing we can test? Do we have some test scripts we can = run? >> We are actually interested in feedback about using the stack in = whatever >> use case you use TCP for. The stack has been tested with the Netflix = use >> case, but not so much with others. That is why we ask for broader = testing. >>=20 >> Best regards >> Michael >=20 > Are there any difference regarding with performance between main and > stable/14? If so, please ignore below. >=20 > I have stable/14 environment which is configured to be able to switch > to TCP RACK and experienced huge performance loss when writing > a large file to smbfs share on commercial NAS. CC is cubic. > Testing large archive on the smbfs share doesn't seem to be > affected. >=20 > Comparison between default (freebsd) and rack TCP stack using > sysutils/clone on stable/14 at commit 7d1321288ad9, amd64. > Last 3 lines of outputs from clone (upload to NAS) are shown. Thank you very much for testing. This is what we are looking for. Would it be possible to repeat the test using NewReno as the CC? Best regards Michael >=20 > Before switching to rack: > 1 item copied, 2342.4 MB in 39.12 s -- 59.9 MB/s > Leaked memory: 0 bytes > No errors occured. >=20 > Unmount the smbfs share, switch to rack, and after remount: > 1 item copied, 2342.4 MB in 926.59 s -- 2.5 MB/s > Leaked memory: 0 bytes > No errors occured. >=20 > Switch back to freebsd (default) without unmounting: > 1 item copied, 2342.4 MB in 906.94 s -- 2.6 MB/s > Leaked memory: 0 bytes > No errors occured. >=20 > Unmount and remount the smbfs share: > 1 item copied, 2342.4 MB in 39.12 s -- 59.9 MB/s > Leaked memory: 0 bytes > No errors occured. >=20 >=20 > Regards. >=20 > --=20 > Tomoaki AOKI <junchoon@dec.sakura.ne.jp>
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