Return-Path: linux-nfs-owner@vger.kernel.org Received: from fieldses.org ([174.143.236.118]:40405 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161544Ab3DEM6e (ORCPT ); Fri, 5 Apr 2013 08:58:34 -0400 Date: Fri, 5 Apr 2013 08:58:33 -0400 From: "J. Bruce Fields" To: Lukas Hejtmanek Cc: linux-nfs@vger.kernel.org Subject: Re: nfsv4 monitoring tool Message-ID: <20130405125833.GA1194@fieldses.org> References: <20121015163851.GO5412@ics.muni.cz> <20121015174305.GA26840@fieldses.org> <20130405124822.GB25618@ics.muni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20130405124822.GB25618@ics.muni.cz> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Fri, Apr 05, 2013 at 02:48:22PM +0200, Lukas Hejtmanek wrote: > Hello, > > On Mon, Oct 15, 2012 at 01:43:05PM -0400, J. Bruce Fields wrote: > > > is there any NFSv4 monitoring tool, that can be run on NFSv4 server (running > > > NFSv4.0 + GSS) and that reports statistics per connected client? I would like > > > to see amount of transfered data for each client, latency of RPC calls, rate > > > of requests. > > > > > > nfsstat on server does not distinguish individual clients. > > > nfswatch does not support NFSv4 > > > > > > I didn't find anything else. Do I need to create the tool by myself or is > > > there free of paid tool thad does the job? > > > > We don't gather such statistics, unfortunately. I agree that it would > > be useful, and would be happy to talk about possible implementations > > so we decided to implement this using systemtap tool and it works ok. But if > NFS server could provide statistics by itself, it would be far better. Sure. If you have a detailed description of the statistics that you're gathering (and/or the systemtap scripts), that could help make sure we capture what you need. --b.