From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2122.outbound.protection.outlook.com [40.107.92.122]) by sourceware.org (Postfix) with ESMTPS id 4468F3858402 for ; Thu, 26 Aug 2021 15:47:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 4468F3858402 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Jr8LDIaO3UBLs9jQ9/LMhMVDUPeNF7HY5yEqGs2K02+SFXj5sMVPOrciE4+noaI+HpZw0B/nXt2c7KE3IgiikBIO7hiEaCvYT4/th7bfr68U16PbGW5dWzRwpCfpzgxlYgL8RnN06DYlgUtxx16Z0iJTy1uDfM30JdS0OO9+JBHcsH4SRru5V/JqLrVCUp4zkFd7/OIbNcFpW3q2q3u7si5b43vInI3i2+RigABaV5mIiRAsDuKDZHf2S6e2kMTdrclqCU5ogDBHPFT/6Cm5a1SYO2p9xIJEC8PpDAs1Qv61rsiyhr8nG3BS6tf7ERpfnkhGFSrl1Bgj4we37heedA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QoxB3R2mGbu+H8BgO3PJWfiCS0Ii3TrVKFe2tdFoVY8=; b=bedcbp9VnAM+d2rX/IJcNL0yeoRnYRG2t9mfLQ6iMdjs2qkE6nOdBIT1Iglcv0j8UuP6nJT3Au0enGlVyTxBnKPjkkY/naEywbp8X6iIGJZv1ZxTESYF+gBHu+8xvWC45a6fiUUMefa7V7WNleLwLrYabrfRxw3Ebx0fB5p0PmQjTaOal1GXPMuVtTs5lqy2C+WDnTlkfiRU1ZHprh/F7eDHzTbxuUnuoJylJ+eBGy0Iuxi/FzI3pU7ILGjqYavcdsOlRgOFo8l2KshR6/jvPsDlt0eWMIUUCmZjai8Rn0UI3RyHk+E8U0x2m2ULm+rfnuDgXBMFznIVcZkDvFyENQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cornell.edu; dmarc=pass action=none header.from=cornell.edu; dkim=pass header.d=cornell.edu; arc=none Received: from BN7PR04MB4388.namprd04.prod.outlook.com (2603:10b6:406:f8::19) by BN8PR04MB5618.namprd04.prod.outlook.com (2603:10b6:408:a7::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.22; Thu, 26 Aug 2021 15:47:54 +0000 Received: from BN7PR04MB4388.namprd04.prod.outlook.com ([fe80::8d9d:335b:d8e4:79fe]) by BN7PR04MB4388.namprd04.prod.outlook.com ([fe80::8d9d:335b:d8e4:79fe%7]) with mapi id 15.20.4436.027; Thu, 26 Aug 2021 15:47:54 +0000 Subject: Re: cygrunsrv + sshd + rsync = 20 times too slow -- throttled? To: cygwin@cygwin.com References: <41A583E1-C8E7-42AB-9F24-EEC33A41EC60@house.org> <20210825201845.07b6400b79dc5558a7761efe@nifty.ne.jp> From: Ken Brown Message-ID: Date: Thu, 26 Aug 2021 11:47:52 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-ClientProxiedBy: CH0PR03CA0045.namprd03.prod.outlook.com (2603:10b6:610:b3::20) To BN7PR04MB4388.namprd04.prod.outlook.com (2603:10b6:406:f8::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [IPv6:2603:7081:7e3f:3419:b191:35f5:6937:52a] (2603:7081:7e3f:3419:b191:35f5:6937:52a) by CH0PR03CA0045.namprd03.prod.outlook.com (2603:10b6:610:b3::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4457.17 via Frontend Transport; Thu, 26 Aug 2021 15:47:53 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 64a13de0-b271-42b1-0037-08d968a8de2b X-MS-TrafficTypeDiagnostic: BN8PR04MB5618: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; 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Do I assume correctly that these > changes may likely lead to a general improvement also in other > situations if the impact of the pipe is so big for this specific > case? Pipes are most likely used in quite a lot of scenarios?! I'm not prepared to make any predictions. We won't really know without testing. Ken