From owner-freebsd-fs@FreeBSD.ORG Mon Jan 28 12:00:10 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 2DB5D23F; Mon, 28 Jan 2013 12:00:10 +0000 (UTC) (envelope-from laurencesgill@googlemail.com) Received: from mail-we0-x22b.google.com (we-in-x022b.1e100.net [IPv6:2a00:1450:400c:c03::22b]) by mx1.freebsd.org (Postfix) with ESMTP id 987C3292; Mon, 28 Jan 2013 12:00:09 +0000 (UTC) Received: by mail-we0-f171.google.com with SMTP id u54so1398103wey.2 for ; Mon, 28 Jan 2013 04:00:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=x-received:date:from:to:cc:subject:message-id:in-reply-to :references:x-mailer:mime-version:content-type :content-transfer-encoding; bh=DWoix26UxXcqQk/DIlK7sgYcybDwgf+SEv1R/pUwWB4=; b=b3/gXcZEXPWAOOL5m1X2Ah1aYdOolv5QYWyEBfvYvLYtgflsH4rcm4IklTF3tIryrR S1v1iMpvZZ8jz/D7SQ4A5Om9cXTqs3zKbJmW7bL/LNAqcNS5RTiUFE/vvyI+MxtOfOFL Pbujq9GshVUwudwMCNr+FAdP3qx2pnmqsKMEdS9x90sCIkSq9DP7OZwK4L73+/JeENsr oOve6nKyoSW0NzJwuDc7ONC6t9fooMakEk+9Shk6QLVaXD4Nn6R/QMl3I7FKlxR+65To UL26CX4/tkMX/cfaLuEfbrc4d05V/Bg6djTIecZGRvhLMgDGVZ/SieFgzzd5n5gAhtPw 5PeA== X-Received: by 10.180.80.170 with SMTP id s10mr9158900wix.27.1359374408538; Mon, 28 Jan 2013 04:00:08 -0800 (PST) Received: from localhost (gateway.ash.thebunker.net. [213.129.64.4]) by mx.google.com with ESMTPS id ge2sm5859532wib.4.2013.01.28.04.00.08 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 28 Jan 2013 04:00:08 -0800 (PST) Date: Mon, 28 Jan 2013 12:00:55 +0000 From: Laurence Gill To: Pawel Jakub Dawidek Subject: Re: HAST performance overheads? Message-ID: <20130128120055.6ca7c734@googlemail.com> In-Reply-To: <20130127134845.GC1346@garage.freebsd.pl> References: <20130125121044.1afac72e@googlemail.com> <20130127134845.GC1346@garage.freebsd.pl> X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.12; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: base64 Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Jan 2013 12:00:10 -0000 LS0tLS1CRUdJTiBQR1AgU0lHTkVEIE1FU1NBR0UtLS0tLQ0KSGFzaDogU0hBMQ0KDQpPbiBTdW4s IDI3IEphbiAyMDEzIDE0OjQ4OjQ2ICswMTAwDQpQYXdlbCBKYWt1YiBEYXdpZGVrIDxwamRARnJl ZUJTRC5vcmc+IHdyb3RlOg0KDQo+IE9uIEZyaSwgSmFuIDI1LCAyMDEzIGF0IDEyOjEwOjQ0UE0g KzAwMDAsIExhdXJlbmNlIEdpbGwgd3JvdGU6DQo+ID4gSWYgSSBjcmVhdGUgWkZTIHJhaWR6MiBv biB0aGVzZS4uLg0KPiA+IA0KPiA+ICAtICMgenBvb2wgY3JlYXRlIHBvb2wgcmFpZHoyIGRhMCBk YTEgZGEyIGRhMyBkYTQgZGE1DQo+ID4gDQo+ID4gVGhlbiBydW4gYSBkZCB0ZXN0LCBhIHNhbXBs ZSBvdXRwdXQgaXMuLi4NCj4gPiANCj4gPiAgLSAjIGRkIGlmPS9kZXYvemVybyBvZj10ZXN0LmRh dCBicz0xTSBjb3VudD0xMDI0DQo+ID4gICAgICAxMDczNzQxODI0IGJ5dGVzIHRyYW5zZmVycmVk IGluIDcuNjg5NjM0IHNlY3MgKDEzOTYzNDk3NA0KPiA+IGJ5dGVzL3NlYykNCj4gPiANCj4gPiAg LSAjIGRkIGlmPS9kZXYvemVybyBvZj10ZXN0LmRhdCBicz0xNmsgY291bnQ9NjU1MzUNCj4gPiAg ICAgIDEwNzM3MjU0NDAgYnl0ZXMgdHJhbnNmZXJyZWQgaW4gMS45MDkxNTcgc2VjcyAoNTYyNDA4 MTMwDQo+ID4gYnl0ZXMvc2VjKQ0KPiA+IA0KPiA+IFRoaXMgaXMgbXVjaCBmYXN0ZXIgdGhhbiBj b21wYXJlZCB0byBydW5uaW5nIGhhc3QsIEkgd291bGQgZXhwZWN0IGFuDQo+ID4gb3ZlcmhlYWQs IGJ1dCBub3QgdGhpcyBtdWNoLiAgRm9yIGV4YW1wbGU6DQo+ID4gDQo+ID4gIC0gIyBoYXN0Y3Rs IGNyZWF0ZSBkaXNrMC9kaXNrMS9kaXNrMi9kaXNrMy9kaXNrNC9kaXNrNQ0KPiA+ICAtICMgaGFz dGN0bCByb2xlIHByaW1hcnkgYWxsDQo+ID4gIC0gIyB6cG9vbCBjcmVhdGUgcG9vbCByYWlkejIg ZGlzazAgZGlzazEgZGlzazIgZGlzazMgZGlzazQgZGlzazUNCj4gPiANCj4gPiBSdW4gYSBkZCB0 ZXN0LCBhbmQgdGhlIHNwZWVkIGlzLi4uDQo+ID4gDQo+ID4gIC0gIyBkZCBpZj0vZGV2L3plcm8g b2Y9dGVzdC5kYXQgYnM9MU0gY291bnQ9MTAyNA0KPiA+ICAgICAgMTA3Mzc0MTgyNCBieXRlcyB0 cmFuc2ZlcnJlZCBpbiA0MC45MDgxNTMgc2VjcyAoMjYyNDc2MjQNCj4gPiBieXRlcy9zZWMpDQo+ ID4gDQo+ID4gIC0gIyBkZCBpZj0vZGV2L3plcm8gb2Y9dGVzdC5kYXQgYnM9MTZrIGNvdW50PTY1 NTM1DQo+ID4gICAgICAxMDczNzI1NDQwIGJ5dGVzIHRyYW5zZmVycmVkIGluIDQyLjAxNzk5NyBz ZWNzICgyNTU1Mzk0Mg0KPiA+IGJ5dGVzL3NlYykNCj4gDQo+IExldCdzIHRyeSB0byB0ZXN0IG9u ZSBzdGVwIGF0IGEgdGltZS4gQ2FuIHlvdSB0cnkgdG8gY29tcGFyZQ0KPiBzZXF1ZW50aWFsIHBl cmZvcm1hbmNlIG9mIHJlZ3VsYXIgZGlzayB2cy4gSEFTVCB3aXRoIG5vIHNlY29uZGFyeQ0KPiBj b25maWd1cmVkPw0KPiANCj4gQnkgbm8gc2Vjb25kYXJ5IGNvbmZpZ3VyZWQgSSBtZWFuICdyZW1v dGUnIHNldCB0byAnbm9uZScuDQo+IA0KPiBKdXN0IGRvOg0KPiANCj4gCSMgZGQgaWY9L2Rldi96 ZXJvIG9mPS9kZXYvZGEwIGJzPTFtIGNvdW50PTEwMjQwDQo+IA0KPiB0aGVuIGNvbmZpZ3VyZSBI QVNUIGFuZDoNCj4gDQo+IAkjIGRkIGlmPS9kZXYvemVybyBvZj0vZGV2L2hhc3QvZGlzazAgYnM9 MW0gY291bnQ9MTAyNDANCj4gDQo+IFdoaWNoIEZyZWVCU0QgdmVyc2lvbiBpcyBpdD8NCj4gDQo+ IFBTLiBZb3VyIFpGUyB0ZXN0cyBhcmUgcHJldHR5IG1lYW5pbmdsZXNzLCBiZWNhdXNlIGl0IGlz IHBvc3NpYmxlIHRoYXQNCj4gICAgIGV2ZXJ5dGhpbmcgd2lsbCBlbmQgdXAgaW4gbWVtb3J5LiBJ J20gc3VyZSB0aGlzIGlzIHdoYXQgaGFwcGVucyBpbg0KPiAgICAgJ2JzPTE2ayBjb3VudD02NTUz NScgY2FzZS4gTGV0IHRyeSByYXcgcHJvdmlkZXJzIGZpcnN0Lg0KPiANCg0KVGhhbmtzIGZvciB0 aGUgcmVwbHkuICBJJ20gdXNpbmcgRnJlZUJTRCA5LjEtUkVMRUFTRS4gSGVyZSBhcmUgdGhlDQpy ZXN1bHRzOg0KDQogIyBkZCBpZj0vZGV2L3plcm8gb2Y9L2Rldi9kYTAgYnM9MW0gY291bnQ9MTAy NDANCiAxMDczNzQxODI0MCBieXRlcyB0cmFuc2ZlcnJlZCBpbiA3NTUuMTQ0NjQ0IHNlY3MgKDE0 MjE5MDIyIGJ5dGVzL3NlYykNCg0KICMgZGQgaWY9L2Rldi96ZXJvIG9mPS9kZXYvaGFzdC9kaXNr MCBicz0xbSBjb3VudD0xMDI0MA0KIDEwNzM3NDE4MjQwIGJ5dGVzIHRyYW5zZmVycmVkIGluIDg0 NC4xNjc2MDIgc2VjcyAoMTI3MTk1MzQgYnl0ZXMvc2VjKQ0KDQoNCldoaWNoIGluZGljYXRlcyBh IHZlcnkgc21hbGwgb3ZlcmhlYWQsIGhtbW0uLi4NCg0KDQotIC0tIA0KTGF1cmVuY2UgR2lsbA0K DQpmOiAwODcyMSAxNTcgNjY1DQpza3lwZTogbGF1cmVuY2VnZw0KZTogbGF1cmVuY2VzZ2lsbEBn b29nbGVtYWlsLmNvbQ0KUEdQIG9uIEtleSBTZXJ2ZXJzDQotLS0tLUJFR0lOIFBHUCBTSUdOQVRV UkUtLS0tLQ0KVmVyc2lvbjogR251UEcgdjIuMC4xOSAoR05VL0xpbnV4KQ0KDQppRVlFQVJFQ0FB WUZBbEVHYUg0QUNna1F5Z1Z0OFNxMFBmOFFhUUNmWDQvU0FHbndZWGZDeEorRkZuRTFPaVJ2DQpS M01BbjIyYnhqaFhuQ081QXFzeDc0R3hxNVplbVVqWA0KPTdkZ1INCi0tLS0tRU5EIFBHUCBTSUdO QVRVUkUtLS0tLQ0K