Date: Fri, 19 Feb 2021 19:58:41 +0000 From: Glen Barber <gjb@freebsd.org> To: "Scheffenegger, Richard" <Richard.Scheffenegger@netapp.com> Cc: "re@freebsd.org" <re@freebsd.org>, "transport@freebsd.org" <transport@freebsd.org> Subject: Re: approval for D28780 / 853fd7a2e39802e46bd3d6476529796ac22412d9 Message-ID: <20210219195841.GW48055@FreeBSD.org> In-Reply-To: <SN4PR0601MB3728F2C95010B94345239B6186849@SN4PR0601MB3728.namprd06.prod.outlook.com> References: <SN4PR0601MB3728F2C95010B94345239B6186849@SN4PR0601MB3728.namprd06.prod.outlook.com>
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--TVVcQco/7vcH19KK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 19, 2021 at 01:48:22PM +0000, Scheffenegger, Richard wrote: > Hi Glen, >=20 > I received feedback around PRR which shows up as a performance degradatio= n. >=20 > I would like to MFC this commit in about one week into STABLE/13, and ide= ally to releng/13.0 around the same time (or should there be at least 3 day= s linger time in STABLE, after one week in HEAD)? >=20 > https://reviews.freebsd.org/D28780 >=20 >=20 > Under some circumstances, PRR may end up with a fully > collapsed cwnd when finalizing the loss recovery. >=20 > Also, in case PRR is working against an empty scoreboard, > a possibilty for an integer overflow exists. Performing > signed arithmetics to address a possible sudden jump of cwnd. >=20 Send us the change request following the guidelines when you are ready to request the approval. https://wiki.freebsd.org/Releng/ChangeRequestGuidelines Glen --TVVcQco/7vcH19KK Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEjRJAPC5sqwhs9k2jAxRYpUeP4pMFAmAwGHEACgkQAxRYpUeP 4pPVhw/8D2rILozKZcv64uowqKelVFe9zCHj73mV5U+vrH2NQdmW12c5UrzzmoGw VhuvNLYPSb5eEP9WGPM22JkGM+G9Hh3hdnG9Mf13gNCNXkLTBikBfKErGxUPgHRT Oq+fNvT4S3ZstVkKsVD/SHVV5/9tdA2SA8QTTTpoHVn2ni0v3sCkbRApUOYMAyln bCoWVjwQMgQgco1XmHW9WeywjctF89t37VjakZ3llw7iXTGJke6qK1fYR2R4/7t2 uyjXJyLnC+FM+jEOphN/J4TfI610ZAEwOulicQOdkf5lKLhKsvVWH5vNClKGBtyG Q9cdWPeq8sZXhdl5vMaWFtwReWF2WWn0foZzvxRIqPR80wm1fz+Ac8Dwa8SYNykY uVHuH5yLHfSafdkxdI97VJt03Pv7iZxFQ9CGych1w86pKYHPpDIQQHyNBAjqOlqU G41fY3a3uFV+wnxFN6UvdvDbPXBcGHlI1L0xifT5fjCFrfj72kpzKm3zWnUDi0ik zOw25lRC5F+zJ683mWWR2VcgqGcRedGdKF4g24k1oChTIZpFnE3IfQK/9K9vk6E8 u7+j0F5aLToFI5w8n3PNEUL8SbWvWq3F9OFY8CPKbgBq6h6gdSAizJs9mGlg1OKg CKNpbordezqc/1xHWx1oqrYUrIR+rh4SeuvSKFsO/1A4P+/7wws= =X4bb -----END PGP SIGNATURE----- --TVVcQco/7vcH19KK--
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