From: John Goerzen Subject: Re: Live performance tools? Date: Tue, 14 Aug 2007 13:03:39 -0500 Message-ID: <200708141303.39663.jgoerzen@complete.org> References: <46C1E8E8.3060405@ilm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: nfs@lists.sourceforge.net To: Eli Stair Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1IL0k5-0004cV-8M for nfs@lists.sourceforge.net; Tue, 14 Aug 2007 11:03:45 -0700 Received: from gatekeeper.excelhustler.com ([69.44.136.67] helo=excelhustler.com) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1IL0k8-0007XK-7d for nfs@lists.sourceforge.net; Tue, 14 Aug 2007 11:03:49 -0700 In-Reply-To: <46C1E8E8.3060405@ilm.com> List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net On Tue August 14 2007 12:39:52 pm Eli Stair wrote: > Try lighting up an instance of ntop on the network you've got your NFS > server(s) on. Either span/mirror the switch ports so it sees all the > traffic in promisc mode, or turn on sflow forwarding to the box. As for I was using iftop, but the traffic was too "spikey" to be able to identify long-term trends with it. I'll take a look at ntop. > determining what files are being accessed, you can use ethereal to > capture traffic on the wire and analyze file ops occuring, but it's not > fun to try and analyze #ops/file... you'd have to filter quite well, Yes, that's exactly the problem I was fearing. > You could also start up inotify on the linux NFS server, watching the > entire directory tree you're exporting via NFS, log the output, and Oh, EXCELLENT idea. I don't know why I didn't think of that. That could be very useful indeed. I'm not familiar with ganglia, cacti, or monami, but will investigate. Thanks very much for the suggestions. This will be helpful. -- John ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs