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Mon, 18 Jan 2021 11:14:47 +0000 From: Eric S Fraga To: Eric Abrahamsen Cc: ding@gnus.org Subject: Re: Experimental new Maildir backend Organization: On the Interweb somewhere References: <86h7ngen1y.fsf@csic.es> <875z3w9nhm.fsf@ericabrahamsen.net> <87im7v8jbn.fsf@ucl.ac.uk> <87bldn8apk.fsf@ericabrahamsen.net> X-Url: http://www.ucl.ac.uk/~ucecesf/ Mail-Followup-To: Eric Abrahamsen , ding@gnus.org Date: Mon, 18 Jan 2021 11:14:43 +0000 In-Reply-To: <87bldn8apk.fsf@ericabrahamsen.net> (Eric Abrahamsen's message of "Sun, 17 Jan 2021 14:23:03 -0800") Message-ID: <87o8hm7azg.fsf@ucl.ac.uk> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Content-Type: text/plain X-Originating-IP: [95.146.75.253] X-ClientProxiedBy: LO3P265CA0005.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:bb::10) To VI1PR0102MB3327.eurprd01.prod.exchangelabs.com (2603:10a6:803:10::26) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from t3610 (95.146.75.253) by LO3P265CA0005.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:bb::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3763.9 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?4otBGcdI/pg6XoxeAG6CkUQa5FExUdndj4NTFu5WcNS4rf8W+4YjUzFG3+MK?= =?us-ascii?Q?j/o37s2EUuAOU1OxXjOEU9k08e/0odWXcbFvW1yVds/izQAALm54/p/1gC+O?= =?us-ascii?Q?iZ2YTL7EgXGvoI5wViAT7HxPZ3LGhhZBfeBJ5s9Xw1TJ1zjxjZ6nXzbqvCFl?= =?us-ascii?Q?nmlAfXOEolyPcc3PxshDc02aBOhikUtoyVAmu7IavyQ72uzWk5K9B6eBZY7e?= =?us-ascii?Q?Z9CmaoHvStdXeLAJQmspi2AuXHBz3sQLPHrBtGMFDQaSKIHfpdTJNRYtN/JI?= =?us-ascii?Q?DtGhaqXnyYsdHBZcC2FH+EZOS1BSLcj5evh9bc/KonqTriTMQPs5JCZp9ZsZ?= =?us-ascii?Q?PYeWVQE+sQAO2wQN3J2IOOR+i+T/MT7sBL+rPVlV70xLyjaPdYCrpIU938ne?= =?us-ascii?Q?VXLHBug8W3m2ACDM54mRgIQalIhZAtaplsRSLFo2BhafOkMQkP3lcLMlPiFo?= =?us-ascii?Q?cK1OELHUO9+hL34xyb5UrEL7cq3HYsNBwdQBn9xkONsLZBQ1eOfjJwzp0m+e?= =?us-ascii?Q?K9JjHLJlMIoAaeAHB76tjOHsz+U01BE2+9mJj4I9QQgwBa7vTqBFXQSdc4VA?= =?us-ascii?Q?e5YaFWJF6XkzObO8PMn4gLkYz1bUuaEMxRMpkR5DGeP2/C/Jte/kp+vLVyOm?= =?us-ascii?Q?791KKCYjdRyYmjF8XK9VlodapSfAA5ZstXBjTz44gt6gRPLpKn8tKDWK9JCX?= =?us-ascii?Q?LEzc2pqbwy6iog1rftWWRENLCHt616bjo3mHWRAV8g25VqPNfup9CNWBdU2P?= =?us-ascii?Q?sB0ovWYeqAx9oE7uagVAEgbGpjP0YQ6Y+YgStgLvBJID2eeZMwsziu0EFUZJ?= =?us-ascii?Q?5Evf23bYfVcncdHi/9L3EyZVAPji1NGsX6KiNhmhieJI1ma34JxO8DCVp++F?= =?us-ascii?Q?Pr9Exrur3dF8YbMfKrsgrJQtB5ZZRJAQjPeWP6oT4mGtm1AJZ5qFY0w97HNI?= =?us-ascii?Q?b0sCIeicflwo2oxcawPh6XdXoDSulhy+T639PR8XaoWxOmkbAikd3XY+qF/G?= =?us-ascii?Q?MZ68?= X-OriginatorOrg: ucl.ac.uk X-MS-Exchange-CrossTenant-Network-Message-Id: e92c0769-3d29-414b-1f60-08d8bba243c8 X-MS-Exchange-CrossTenant-AuthSource: VI1PR0102MB3327.eurprd01.prod.exchangelabs.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jan 2021 11:14:47.1038 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 1faf88fe-a998-4c5b-93c9-210a11d9a5c2 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: qaqzDcY2aaMVNZA8MWyyH5i9GG31u37yBFoO6fjI1Qm4tBi4GXS1qj6qMzci2hXrMzkGA2tiPej8lAPwYCs33A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR01MB5118 List-ID: Precedence: bulk On Sunday, 17 Jan 2021 at 14:23, Eric Abrahamsen wrote: > I think there are a couple of overlapping issues -- actual bugs vs > design problems -- that might need to be unpicked: it's obvious that > first-time nov database building when adopting lots of old mail has > terrible performance, and it shouldn't need to be that way. Then it > sounds like there might be a real bug in that nov databases are getting > rebuilt when they don't need to be? I don't think it's a bug per se. IIRC, the issue is that nnmaildir uses the last modified time of various files and/or directories to see whether the database needs to be rebuilt and the synchronization of my files across various systems undermines the basis of this logic. -- Eric S Fraga via Emacs 28.0.50 & org 9.4.4 on Debian bullseye/sid