From owner-freebsd-fs@FreeBSD.ORG Sat Dec 20 13:44:07 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 60E12A29 for ; Sat, 20 Dec 2014 13:44:07 +0000 (UTC) Received: from woozle.rinet.ru (woozle.rinet.ru [195.54.192.68]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B5BBB274B for ; Sat, 20 Dec 2014 13:44:06 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by woozle.rinet.ru (8.14.5/8.14.5) with ESMTP id sBKAvx0i017618; Sat, 20 Dec 2014 13:57:59 +0300 (MSK) (envelope-from marck@rinet.ru) Date: Sat, 20 Dec 2014 13:57:59 +0300 (MSK) From: Dmitry Morozovsky To: =?ISO-8859-15?Q?Lo=EFc_BLOT?= Subject: Re: High Kernel Load with nfsv4 In-Reply-To: <1419070695.4549.6.camel@unix-experience.fr> Message-ID: References: <766911003.8048587.1418095910736.JavaMail.root@uoguelph.ca> <1e19554bc0d4eb3e8dab74e2056b5ec4@mail.unix-experience.fr> <1419070695.4549.6.camel@unix-experience.fr> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) X-NCC-RegID: ru.rinet X-OpenPGP-Key-ID: 6B691B03 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (woozle.rinet.ru [0.0.0.0]); Sat, 20 Dec 2014 13:58:14 +0300 (MSK) Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Dec 2014 13:44:07 -0000 On Sat, 20 Dec 2014, Lo?c BLOT wrote: > Hi Dmitry, > you mean less process improve performance ? I suppose yes, especially if you have small number of concurrently-accessing yout NFS server clients and/or client processes. Default of 4, of course, is ridiculously low nowadays; however, I'll start with, say, 4 per CPU core you have, as someone mentioned previously. -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------