From owner-freebsd-fs@FreeBSD.ORG Fri Dec 19 17:07:04 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 34E0137C for ; Fri, 19 Dec 2014 17:07:04 +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 A8B5A1FD8 for ; Fri, 19 Dec 2014 17:07:02 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by woozle.rinet.ru (8.14.5/8.14.5) with ESMTP id sBJH6bx2008100; Fri, 19 Dec 2014 20:06:38 +0300 (MSK) (envelope-from marck@rinet.ru) Date: Fri, 19 Dec 2014 20:06:37 +0300 (MSK) From: Dmitry Morozovsky To: =?ISO-8859-15?Q?Lo=EFc_Blot?= Subject: Re: High Kernel Load with nfsv4 In-Reply-To: <1e19554bc0d4eb3e8dab74e2056b5ec4@mail.unix-experience.fr> Message-ID: References: <766911003.8048587.1418095910736.JavaMail.root@uoguelph.ca> <1e19554bc0d4eb3e8dab74e2056b5ec4@mail.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]); Fri, 19 Dec 2014 20:06:38 +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: Fri, 19 Dec 2014 17:07:04 -0000 Loic, On Wed, 10 Dec 2014, Lo?c Blot wrote: > Hi Rick, > I'm trying NFSv3. > Some jails are starting very well but now i have an issue with lockd after some minutes: > > nfs server 10.10.X.8:/jails: lockd not responding > nfs server 10.10.X.8:/jails lockd is alive again > > I look at mbuf, but i seems there is no problem. > > Here is my rc.conf on server: > > nfs_server_enable="YES" > nfsv4_server_enable="YES" > nfsuserd_enable="YES" > nfsd_server_flags="-u -t -n 256" just a random thought: are you sure you want so much nfsd threads? I suppose lock contention could be easily involved here... [snip] -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------