From: "J. Bruce Fields" Subject: Re: Delays on "first" access to a NFS mount Date: Wed, 7 Mar 2007 16:17:29 -0500 Message-ID: <20070307211729.GO26553@fieldses.org> References: <20070307112347.6a40faff.simon.peter@gmx.de> <20070307160633.77afb618.simon.peter@gmx.de> <20070307154240.GB26553@fieldses.org> <20070307194418.97fee0ec.simon.peter@gmx.de> <20070307205016.GI26553@fieldses.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: nfs@lists.sourceforge.net, Simon Peter To: "Talpey, Thomas" Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1HP3VH-0006Gq-EO for nfs@lists.sourceforge.net; Wed, 07 Mar 2007 13:16:56 -0800 Received: from mail.fieldses.org ([66.93.2.214] helo=fieldses.org) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HP3VH-00024a-Ao for nfs@lists.sourceforge.net; Wed, 07 Mar 2007 13:16:57 -0800 In-Reply-To: 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 Wed, Mar 07, 2007 at 04:07:39PM -0500, Talpey, Thomas wrote: > I was actually trying to talk Simon out of trying, in case that wasn't > obvious. Probably good advice. > But I'm really glad it bugs you! Keep thinking that way, maybe you can > untangle it someday. :-) > > While you're thinking about it, what's the actual timeout on a given > in-kernel export cache entry? There's a 120-second deadline on an > unresolved cache miss being populated, but when, exactly, does an > existing (resolved) entry go stale? I admit to having tried to figure it > out once and wound up going in circles. There's an expiry time that's passed down with each cache entry. In this particular case it's 30 minutes. There's also a "flush" file you can write to to ask that the whole cache be flushed. I don't remember how this works in detail, though. --b. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs