From owner-freebsd-net@freebsd.org Wed Apr 18 21:33:50 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A2499F827FB for ; Wed, 18 Apr 2018 21:33:50 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from CAN01-TO1-obe.outbound.protection.outlook.com (mail-eopbgr670058.outbound.protection.outlook.com [40.107.67.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "Microsoft IT TLS CA 4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 329A685CF0 for ; Wed, 18 Apr 2018 21:33:49 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM (52.132.66.153) by YQBPR0101MB1649.CANPRD01.PROD.OUTLOOK.COM (52.132.70.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.696.12; Wed, 18 Apr 2018 21:33:48 +0000 Received: from YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM ([fe80::893c:efc2:d71f:945a]) by YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM ([fe80::893c:efc2:d71f:945a%13]) with mapi id 15.20.0696.013; Wed, 18 Apr 2018 21:33:48 +0000 From: Rick Macklem To: =?iso-8859-1?Q?Niels_Kobsch=E4tzki?= , "freebsd-net@freebsd.org" Subject: Re: High rate of NFS cache misses after upgrading from 10.3-prerelease to 11.1-release Thread-Topic: High rate of NFS cache misses after upgrading from 10.3-prerelease to 11.1-release Thread-Index: AQHT0qiQifFFt12p/0eGRV3S1dRLRqP/ezZKgAPq3QCAAKB4nYAAYg2AgAKq1LQ= Date: Wed, 18 Apr 2018 21:33:48 +0000 Message-ID: References: , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kobschaetzki.net; dkim=none (message not signed) header.d=none;kobschaetzki.net; dmarc=none action=none header.from=uoguelph.ca; x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; YQBPR0101MB1649; 7:n7dAhUMaXyBGn6Z3kPyOFwtFTNlWAJSuDYvCP41hGUUKxFHy9Wn4tJGyVkf9Ek2f+i5dnnbrfG9WYF9jdkKhXbNGyviaEjj299OkgwZ6DPV5sZtfrr00GDjpHHKInT0ZtV7dJP2p78GV1STEoOZuiuG8ItOXO6FHO5JPBOXAHo/rR6vEQhfHHqai+ybpKRWvRmz2+2zTZLMaTlYoNhksPmfaQSSdYEFHeSIWnijKEc6OqjQeOgA5Oa7XuR3RVlXH x-ms-exchange-antispam-srfa-diagnostics: SOS; x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(7020095)(4652020)(8989080)(5600026)(4534165)(4627221)(201703031133081)(201702281549075)(8990040)(2017052603328)(7153060)(7193020); SRVR:YQBPR0101MB1649; x-ms-traffictypediagnostic: YQBPR0101MB1649: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(158342451672863); x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(6040522)(2401047)(5005006)(8121501046)(93006095)(93001095)(3002001)(3231232)(944501327)(52105095)(10201501046)(6041310)(201703131423095)(201702281529075)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123562045)(20161123560045)(20161123558120)(6072148)(201708071742011); SRVR:YQBPR0101MB1649; BCL:0; PCL:0; RULEID:; SRVR:YQBPR0101MB1649; x-forefront-prvs: 06469BCC91 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(396003)(376002)(366004)(39860400002)(39380400002)(786003)(476003)(26005)(74316002)(11346002)(186003)(305945005)(25786009)(8676002)(14454004)(81166006)(446003)(5250100002)(86362001)(93886005)(2501003)(2906002)(74482002)(8936002)(478600001)(9686003)(110136005)(2900100001)(6436002)(5660300001)(99286004)(229853002)(53936002)(76176011)(7696005)(6506007)(6246003)(316002)(102836004)(33656002); DIR:OUT; SFP:1101; SCL:1; SRVR:YQBPR0101MB1649; H:YQBPR0101MB1042.CANPRD01.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; MLV:sfv; x-microsoft-antispam-message-info: 7dxLEEKaODi0gdQ2p+wwpIl3kp8+ZbYJaBtg5iq43R2i7SlLnldB8EmYuGzn37DRGRXzp+OnI6qsFje3j2o2GekQA7LqX6miVmVnIPRpLYM8+hohAsmHed3UpBIUC2MuWt4OqIhOuaGWG2TJMgHps/PdmFDY/aQq32YEPRkWr19iYLMDJCorNxEEoJ4XhKUu spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: c0d748db-2f92-455f-9b26-08d5a5741272 X-OriginatorOrg: uoguelph.ca X-MS-Exchange-CrossTenant-Network-Message-Id: c0d748db-2f92-455f-9b26-08d5a5741272 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Apr 2018 21:33:48.6302 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: be62a12b-2cad-49a1-a5fa-85f4f3156a7d X-MS-Exchange-Transport-CrossTenantHeadersStamped: YQBPR0101MB1649 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Apr 2018 21:33:50 -0000 Niels Kobsch=E4tzki wrote: [stuff snipped] >I solved now finally my problem after two weeks and it wasn't the NFS. I >just got derailed from the real solution again and again from some >people, thus I didn't look in the right place. The cache misses are gone >now, the application performs now faster than on the other servers. Good work. Btw, that was why I suggested running the new kernel on a server with the old userland. It would have isolated out any userland diffe= rences, and hopefully what was causing the problem. Glad to hear NFS isn't the culprit, rick