From owner-freebsd-hackers@FreeBSD.ORG Mon Oct 30 04:49:46 2006 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E6FD416A407 for ; Mon, 30 Oct 2006 04:49:46 +0000 (UTC) (envelope-from gmohler@speedtoys.com) Received: from mail.vidnet.net (mail.vidnet.net [208.3.200.7]) by mx1.FreeBSD.org (Postfix) with ESMTP id A1D3443D72 for ; Mon, 30 Oct 2006 04:49:44 +0000 (GMT) (envelope-from gmohler@speedtoys.com) Received: from mail.vidnet.net (localhost [127.0.0.1]) by mail.vidnet.net (8.13.1/8.13.1) with ESMTP id k9U4V51l017456 for ; Sun, 29 Oct 2006 22:31:05 -0600 (CST) (envelope-from gmohler@speedtoys.com) Received: from localhost (gmohler@localhost) by mail.vidnet.net (8.13.1/8.13.1/Submit) with ESMTP id k9U4V1MN017446 for ; Sun, 29 Oct 2006 22:31:05 -0600 (CST) (envelope-from gmohler@speedtoys.com) X-Authentication-Warning: mail.vidnet.net: gmohler owned process doing -bs Date: Sun, 29 Oct 2006 22:31:01 -0600 (CST) From: Geoff Mohler X-X-Sender: gmohler@mail.vidnet.net To: freebsd-hackers@freebsd.org Message-ID: <20061029222751.O17408@mail.vidnet.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Mailman-Approved-At: Mon, 30 Oct 2006 14:26:16 +0000 Subject: NFS attr cache performance X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Oct 2006 04:49:47 -0000 Im looking for deep hacks into what I could do to make the 6.x NFS client hold a larger (or much larger) file/directory attribute cache. In very large make "everything" environments with Fbsd, we are about 1/3rd the speed of local disk coming from a very large Netapp box. The same make from a heavily patched/modified Linux NFS client is miles faster than local disk. I have no insight to the Linux modifications, but looking at the nfsstats, attribute calls are the bulk of the traffic to the NFS mounted file system. Any and all ideas are OK..maybe something simple I overlooked. I need to reserve another build server early this week, and go over my options again on whats not been working, and get the list numbers as well. Thanks in advance.