Date: Tue, 28 Jul 2015 23:02:49 +0000 From: Glen Barber <gjb@FreeBSD.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: d@delphij.net, Xin Li <delphij@delphij.net>, re@FreeBSD.org, freebsd-stable@freebsd.org Subject: Re: freebsd downgrade Message-ID: <20150728230249.GE54478@FreeBSD.org> In-Reply-To: <20150728220905.GL43740@zxy.spb.ru> References: <55B17DEB.6070302@delphij.net> <20150724072052.GF43740@zxy.spb.ru> <55B1EC8F.7050304@delphij.net> <20150724075010.GG43740@zxy.spb.ru> <20150724152555.GB4276@ox> <20150724153632.GH43740@zxy.spb.ru> <20150725022750.GC33184@FreeBSD.org> <20150728214212.GK43740@zxy.spb.ru> <20150728214528.GC54478@FreeBSD.org> <20150728220905.GL43740@zxy.spb.ru>
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--3UPJqPzJiScbNEd6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 29, 2015 at 01:09:05AM +0300, Slawa Olhovchenkov wrote: > On Tue, Jul 28, 2015 at 09:45:28PM +0000, Glen Barber wrote: >=20 > > On Wed, Jul 29, 2015 at 12:42:12AM +0300, Slawa Olhovchenkov wrote: > > > On Sat, Jul 25, 2015 at 02:27:50AM +0000, Glen Barber wrote: > > >=20 > > > > On Fri, Jul 24, 2015 at 06:36:32PM +0300, Slawa Olhovchenkov wrote: > > > > > On Fri, Jul 24, 2015 at 08:25:55AM -0700, Navdeep Parhar wrote: > > > > >=20 > > > > > > On Fri, Jul 24, 2015 at 10:50:10AM +0300, Slawa Olhovchenkov wr= ote: > > > > > > > > >=20 > > > > > > > > > For me -- degradate network performance, about 30%. I am = do > > > > > > > > > verification now, by downgrading kernel. > > > > > > > >=20 > > > > > > > > What kind of workload and what NIC are you using? > > > > > > >=20 > > > > > > > Chelsio T580-LP-CR, http serving. > > > > > > > r276179 can utilise 40Gbit, r281264 -- only 28Gbit. > > > > > >=20 > > > > > > Can you please try -RC1 when it comes out and report back if yo= u still > > > > > > see degraded network performance?=20 > > > > >=20 > > > > > Now I am try revisons r276179 and compare with r281264 (for absol= utly > > > > > clean compare -- same hardware, same configuration, same workload) > > > > > before this I am comare slighty different hardware (card instaled= in > > > > > different slots) and posibly different workload. > > > > > After this I am try r278800 and RC1 -- one times per day. > > > > >=20 > > > >=20 > > > > Please try with the 10.2-RC1 that was just released, and report bac= k. > > >=20 > > > Root of cause is BIOS setting: need ACPI NUMA to OFF. > > > After this change performance gain about 30%. > > > Sorry for false alaram. > > >=20 > >=20 > > Thank you for providing this information. >=20 > Supermicro X10DRi + Dual E5-2640v3, if you interesting >=20 Yes, thank you. We have a few X10SLH-F/X10SLM+-F systems in the FreeBSD.org cluster, but I am unsure if this option is available on all X10-series systems. I'll reboot one of them later today, and dig around in the BIOS. Glen --3UPJqPzJiScbNEd6 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJVuAoZAAoJEAMUWKVHj+KTqLAP+wdHphwLU9LSetjBTg8XNeTc nTJH59+lSJeqEWU44e3BywdRsaygt3ChMkr2/mlQRAbSxmidfSyVAjsqF12v/Jaa mOzW6z4qzwvPYUGKNMJZitgk+zUPl52LiomRDu2tPLzD1L+Uaqol/j1lfZSnEIJc HFss4u9QgnT4W8d5TbqXJMSWcyNOVsZuH8E8tS+aP4Kni47PqDkeRnwHW0uoZm33 Ww4x6NH2NvE9/rw965/I3htvxAKgLbXCcl5WAXlIdGDiRLirhaSM87/TYAOwMmNL a6EnmygfnBy8zwkPjIPimOvD5P+s9qWHLaWWOI52Ck2QS7LH7zgGiHwpgu3D8Kn0 ZqZkOeWhwFj8gVQEWbFoM/aVJaZRqXqeBTyQmQ1J9V+ZnP6bst/4vi+vpB/ManD2 TfS2rhJnyT9wH2aKv8Yha9K1lJUdcz/D3GOwRm8KojppNSscEugkS2dH/UoqDoxI xaMWu6eLOhJUrIxYQcWL8KZ5DEdyNnypCcaKNO8LMJButri+LqklC6EU6IkVs28s qn1Nt7gPbSoTv8XK3DMA9mOa+bLvKzrlZ8A7GHwb3pirKZnUPCLv4W78pGc3WJ+K q1zWPCSJwedP7+m76/w10DVgGXVYbjQWCElrNrO4CUfE2W3CsAY+0HYHJXbUW7uK ZiorqY8SnWQc9ksqKsD7 =oWrK -----END PGP SIGNATURE----- --3UPJqPzJiScbNEd6--
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