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Wong" , "fstests@vger.kernel.org" Subject: Re: [PATCH v1] generic/476: requires 27GB scratch size Thread-Topic: [PATCH v1] generic/476: requires 27GB scratch size Thread-Index: AQHYnKnap4azL2QFlUaB+D1uchrXbK2IPrmAgAAuOYCAAEe5gIAAJ2OAgAATLgCAAACVgIAAL26AgAACrAA= Date: Thu, 21 Jul 2022 18:13:48 +0000 Message-ID: <75AAE413-4142-45F2-BE8A-7A7867CC0DA4@oracle.com> References: <20220721022959.4189726-1-bxue@redhat.com> <6C27EF62-B619-4451-9CBC-B21CEC72F66D@oracle.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3696.100.31) x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: bcdd2127-077a-47c8-ff35-08da6b44c253 x-ms-traffictypediagnostic: MN2PR10MB3536:EE_ x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: p5LfODyHTUz69nXGJfcXrD8EsHnASq+RdMgPk68VKhTasNIqW5j9l4gVD91Fm/j325H6L6LzM0uyZHUKYOL0tqqg+CoaEhZYBS1lq/gnSeqF5a4uJyGnWhZWPSY9RI8yxpqstk45ON04uApL2e4Nxy57wwnMHNvOSz2JzJt8/9gopIgLEZr2BCu7EXT9r5+7Eb942j8a/Uyh4R4Apev1n013Shx+xh4ng04fC2lvKdoIsTGl7nLk9QCQRTiJWXfOB2rKWR6Z40MJKzcDKHADdHn5p5VEICwEqWPwMz1k3MwBBc6jtQp82xY3Mq7Wzw8i608B7v+AKYSZYUunIp9uOB8E2qhXk29Iyuez0EzqCNit9zWHuSWFEl9Lsl/+ttanao9HQPYP/qTAgloN+36f5FQHKKVQlT0VPIylB2pfVwO0PRADvrKD18OHNESx9KRcBA2CQ2fgBxPJPesb03RW/emVm1Bo6fWH0xcjK2qmYoYJR9UvZGNqgXZBjBIO3V38feRJXV0ngf+HT5ZB6nKO+K93goyxwlBNbfKNzuUfuWCmZUn6ym1Nl+7RuKgCMuUT+YyPnCvhKXnV9+bns1jZTjn3Y0XyYpLcSc/gUINDpGCMYgeB/7Q9Uhy4aAbyx03ZIjasnKlUFQAeXFGy+bTHOOk2tI+ibPT9VgpFkwSfA5BpVZSubPBOxbfluWi6qoJgx05xSoFTzbdsPa6KK0VGvMQ/LaV1lUCEaQLP3tyK3xLtzRwWpFh3Jyxg1JVDDIyeTJoVX7WBh995g/VGDInuX3R0Ke2Ig6+Hm04aYl4QE2A7mJpRT6I5sgXt3TzsKQBsigZj4ATq/vSbgcl8X+DFnQ0OvoQD1Fv8l4S+/NV8JyYm/r4YZY5Gt465ya/YJOGL x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BN0PR10MB5128.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(39860400002)(396003)(366004)(346002)(136003)(376002)(186003)(86362001)(38100700002)(33656002)(4326008)(8936002)(36756003)(478600001)(2616005)(54906003)(66446008)(8676002)(6916009)(66556008)(41300700001)(66946007)(6512007)(76116006)(966005)(91956017)(122000001)(6506007)(64756008)(66476007)(38070700005)(71200400001)(2906002)(5660300002)(26005)(53546011)(316002)(6486002)(83380400001)(41533002)(45980500001);DIR:OUT;SFP:1101; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN0PR10MB5128.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: bcdd2127-077a-47c8-ff35-08da6b44c253 X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Jul 2022 18:13:48.8110 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: FkBY1EraDVH9UB5xWqpXKsYCd4Y6WK6yzGrbyIdjfYOCsvLSKXmTSdBvRL63r3T3JE0SU03KmAFTrTPtDgct8Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR10MB3536 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-21_25,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 suspectscore=0 mlxlogscore=999 malwarescore=0 adultscore=0 mlxscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207210073 X-Proofpoint-GUID: bYEeO2EfmBPGfYENedO1Oue1VTVobVic X-Proofpoint-ORIG-GUID: bYEeO2EfmBPGfYENedO1Oue1VTVobVic Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org > On Jul 21, 2022, at 2:04 PM, Theodore Ts'o wrote: >=20 > On Thu, Jul 21, 2022 at 03:14:30PM +0000, Chuck Lever III wrote: >>> - Loopback means there's often no way to know which part of >>> the stack (client or server) is the problem. >>=20 >> And by the way, it's even worse if that single system acts as >> both the NFS server scratch device and the server under test. >>=20 >=20 > I believe Boyang has stated that this has been seen both in loopback > and in an externally mounted configuration. >=20 > Boyang, in your external exported configuration, was the lockup > happening on the client or server system? >=20 > - Ted >=20 > P.S. I just don't have the capability of testing NFS on separate VM's > for the client and server using gce-xfstests. It's on my list of > things to implement someday, but I just don't have time at the moment. > Maybe a GSOC project someday... Or if someone has time, patches or > pull requests to https://github.com/tytso/xfstests-bld are gratefully > accepted. :-) I agree that Q/A and dev testing needs are distinct, so a dev might have a simpler series of tests to run and fewer resources to run them in. That said, I've had it on my to-do list for some time to find an easy way to run automated multi-host tests, and I've been told it should be straight-forward, but I've been swamped lately. Many of us in the NFS community actually don't run the tests that require a scratch dev, because many of them don't seem relevant to NFS, or they take a long time to run. Someday we should sort through all that :-) For the particular issue with generic/476, I would like to see if there's a reason that test takes a long time and fails with a small scratch dev before agreeing that excluding it is the proper response. -- Chuck Lever