From owner-freebsd-stable@FreeBSD.ORG Thu Apr 26 13:00:26 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A0D401065670 for ; Thu, 26 Apr 2012 13:00:26 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-jnhn.mail.uoguelph.ca (esa-jnhn.mail.uoguelph.ca [131.104.91.44]) by mx1.freebsd.org (Postfix) with ESMTP id 593A98FC0C for ; Thu, 26 Apr 2012 13:00:26 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ap4EACBGmU+DaFvO/2dsb2JhbABBA4VorGqCCQEBBAEjVgUHDw4HAwICDRkCWQYTiAgFp3OTI4EviVOCOYISgRgElX2QQIMEgUA X-IronPort-AV: E=Sophos;i="4.75,486,1330923600"; d="scan'208";a="169611152" Received: from erie.cs.uoguelph.ca (HELO zcs3.mail.uoguelph.ca) ([131.104.91.206]) by esa-jnhn-pri.mail.uoguelph.ca with ESMTP; 26 Apr 2012 09:00:25 -0400 Received: from zcs3.mail.uoguelph.ca (localhost.localdomain [127.0.0.1]) by zcs3.mail.uoguelph.ca (Postfix) with ESMTP id 812A9B405A; Thu, 26 Apr 2012 09:00:25 -0400 (EDT) Date: Thu, 26 Apr 2012 09:00:25 -0400 (EDT) From: Rick Macklem To: Steven Hartland Message-ID: <1527622626.3418715.1335445225510.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [172.17.91.201] X-Mailer: Zimbra 6.0.10_GA_2692 (ZimbraWebClient - FF3.0 (Win)/6.0.10_GA_2692) Cc: freebsd-stable@freebsd.org, Oliver Brandmueller Subject: Re: 9-STABLE, ZFS, NFS, ggatec - suspected memory leak X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Apr 2012 13:00:26 -0000 Steven Hartland wrote: > ---- Original Message ----- > From: "Rick Macklem" > > At a glance, it looks to me like 8.x is affected. Note that the > > bug only affects the new NFS server (the experimental one for 8.x) > > when exporting ZFS volumes. (UFS exported volumes don't leak) > > > > If you are running a server that might be affected, just: > > # vmstat -z | fgrep -i namei > > on the server and see if the 3rd number shown is increasing. > > Many thanks Rick wasnt aware we had anything experimental enabled > but I think that would be a yes looking at these number:- > > vmstat -z | fgrep -i namei > NAMEI: 1024, 0, 1, 1483, 25285086096, 0 > vmstat -z | fgrep -i namei > NAMEI: 1024, 0, 0, 1484, 25285945725, 0 > ^ I don't think so, since the 3rd number (USED) is 0 here. If that # is increasing over time, you have the leak. You are probably running the old (default in 8.x) NFS server. rick > Regards > Steve > > ================================================ > This e.mail is private and confidential between Multiplay (UK) Ltd. > and the person or entity to whom it is addressed. In the event of > misdirection, the recipient is prohibited from using, copying, > printing or otherwise disseminating it or any information contained in > it. > > In the event of misdirection, illegible or incomplete transmission > please telephone +44 845 868 1337 > or return the E.mail to postmaster@multiplay.co.uk.