From owner-soc-status@FreeBSD.ORG Sun Aug 16 22:24:33 2009 Return-Path: Delivered-To: soc-status@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 55037106568D for ; Sun, 16 Aug 2009 22:24:33 +0000 (UTC) (envelope-from fabio@freebsd.org) Received: from sssup.it (ms01.sssup.it [193.205.80.99]) by mx1.freebsd.org (Postfix) with ESMTP id E05EE8FC4D for ; Sun, 16 Aug 2009 22:24:32 +0000 (UTC) Received: from [193.205.82.7] (HELO gandalf.sssup.it) by sssup.it (CommuniGate Pro SMTP 4.1.8) with ESMTP-TLS id 53003934 for soc-status@freebsd.org; Mon, 17 Aug 2009 00:10:07 +0200 Received: from smaug.retis (smaug.retis [10.30.3.72]) by gandalf.sssup.it (8.12.10/8.12.10) with ESMTP id n7GMOUU0016413 for ; Mon, 17 Aug 2009 00:24:30 +0200 Received: by smaug.retis (Postfix, from userid 1000) id E06A1538C3; Mon, 17 Aug 2009 00:27:39 +0200 (CEST) Date: Mon, 17 Aug 2009 00:27:39 +0200 From: Fabio Checconi To: soc-status@freebsd.org Message-ID: <20090816222739.GA1921@gandalf.sssup.it> References: <20090607105508.GS19347@gandalf.sssup.it> <20090622151559.GK28770@gandalf.sssup.it> <20090706145739.GA14563@gandalf.sssup.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090706145739.GA14563@gandalf.sssup.it> User-Agent: Mutt/1.4.2.3i Subject: gsched - status report X-BeenThere: soc-status@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Summer of Code Status Reports and Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 Aug 2009 22:24:33 -0000 Hi all, during the last few weeks I've worked on the safety of the proxy insertion/removal (now it is known to not work only on top of gmirror---but in this position any traditional disk scheduler is pretty much useless), on testing and performance tuning. I've also ported a new scheduling algorithm we developed some time ago for research. A report for the project, which was listed as deliverable D3 in the proposal, is available at: http://feanor.sssup.it/~fabio/soc09/downloads/D3.pdf