From owner-freebsd-stable@freebsd.org Sat Jul 25 02:27:53 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 80BDF9A9B2D for ; Sat, 25 Jul 2015 02:27:53 +0000 (UTC) (envelope-from gjb@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 6CDEB39F; Sat, 25 Jul 2015 02:27:53 +0000 (UTC) (envelope-from gjb@FreeBSD.org) Received: from FreeBSD.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by freefall.freebsd.org (Postfix) with ESMTP id 98E291C2F; Sat, 25 Jul 2015 02:27:52 +0000 (UTC) (envelope-from gjb@FreeBSD.org) Date: Sat, 25 Jul 2015 02:27:50 +0000 From: Glen Barber To: Slawa Olhovchenkov Cc: Xin Li , re@FreeBSD.org, d@delphij.net, freebsd-stable@freebsd.org Subject: Re: freebsd downgrade Message-ID: <20150725022750.GC33184@FreeBSD.org> References: <1437693686.78236.2.camel@yandex.com> <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> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="PuGuTyElPB9bOcsM" Content-Disposition: inline In-Reply-To: <20150724153632.GH43740@zxy.spb.ru> X-Operating-System: FreeBSD 11.0-CURRENT amd64 X-SCUD-Definition: Sudden Completely Unexpected Dataloss X-SULE-Definition: Sudden Unexpected Learning Event X-PEKBAC-Definition: Problem Exists, Keyboard Between Admin/Computer User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Jul 2015 02:27:53 -0000 --PuGuTyElPB9bOcsM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 wrote: > > > > >=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 you still > > see degraded network performance?=20 >=20 > Now I am try revisons r276179 and compare with r281264 (for absolutly > 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 Please try with the 10.2-RC1 that was just released, and report back. Thanks. Glen --PuGuTyElPB9bOcsM Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJVsvQmAAoJEAMUWKVHj+KT6aAP/1gF9h0w8OzsU2PUARUEh8o7 usbQIKfnBaUQHwz3o5DJ4cFtjPvcjc67wRF7tq3t+/1dFfEAx50c+5pjkMjsIR6E pgZPczb1LEykS/vYRt2KI4diesLT/Tc7irY1VgrujEhJJFPaDTq1LDHd2nOBInBe ftk3vH7Y0KtNBvskLX7TiDbkiCd8ObSuiKeF4gzy0bfpTz4ZYSCX9MJRBWtMxNTa 7CVVZK86BigVy0+GEGd3ss9awF4hwPd5xRqaP5zo90V9QC0fzspeTjJyvuzrI+Eb 0BK26yOqcPAHztTQYaM7ZZimzop52nySMTvL1Qkx/yawUpi3d1GWNHbyxagZpxP1 7nmZJiNTFERH1MJJA2nBk7vYafhfmdfUmlaBXt50YpUZu3X2E54EOGn6t7yRiNPI bTZgjgW8KuHuvWFOd/IZJrQfSsmDVTDI8tmEWu+zS67NwHlrk0FJkhtXqgmdLf47 SfkkIBjzHn1k1+/v1GSn6BFY2LJOY8osQo25itnTphUX6Wrtq+Z5WLhvrVkfBWgh VPdI7vUMqjYUoviYf5oz7KSFhO1ucUAll6DqqYoSkmXCMmq+7+YuPXp0hsROMMBp wuG2p6Zmqcr2gz2biOK3XrA3GrI2K7tPMGi29dfYQ1/GG6C6op6N9HN6Hh9cupsn 6VRNO7iXb03R/QWLR6fN =SwU5 -----END PGP SIGNATURE----- --PuGuTyElPB9bOcsM--