From: "Muntz, Daniel" Subject: Re: [NFS] Will NFS client use write-back caching? Date: Mon, 20 Apr 2009 10:36:27 -0700 Message-ID: <7A24DF798E223B4C9864E8F92E8C93EC02A87C5C@SACMVEXC1-PRD.hq.netapp.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: "howard chen" , Return-path: Received: from neil.brown.name ([220.233.11.133]:39180 "EHLO neil.brown.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753665AbZDTSIF (ORCPT ); Mon, 20 Apr 2009 14:08:05 -0400 Received: from brown by neil.brown.name with local (Exim 4.69) (envelope-from ) id 1LvxuS-0001jo-2B for linux-nfs@vger.kernel.org; Tue, 21 Apr 2009 04:08:00 +1000 In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: NFS will do asynchronous writes by default, i.e., write-back caching. -Dan > -----Original Message----- > From: howard chen [mailto:howachen@gmail.com] > Sent: Monday, April 20, 2009 2:56 AM > To: nfs@lists.sourceforge.net > Subject: [NFS] Will NFS client use write-back caching? > > Hello, > > My client is running ext3, which default has 5 seconds of > write-back caching, e.g. > > cat /proc/sys/vm/dirty_writeback_centisecs > 499 > > Now, if this client connect to a NFS (v3), and write data to > the NFS, will write-back caching used? > > Or it will fsync() after every write ? > > Thanks. > > -------------------------------------------------------------- > ---------------- > Stay on top of everything new and different, both inside and > around Java (TM) technology - register by April 22, and save > $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco. > 300 plus technical and hands-on sessions. Register today. > Use priority code J9JMT32. http://p.sf.net/sfu/p > _______________________________________________ > NFS maillist - NFS@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nfs > _______________________________________________ > Please note that nfs@lists.sourceforge.net is being discontinued. > Please subscribe to linux-nfs@vger.kernel.org instead. > http://vger.kernel.org/vger-lists.html#linux-nfs > > -- > To unsubscribe from this list: send the line "unsubscribe > linux-nfs" in the body of a message to > majordomo@vger.kernel.org More majordomo info at > http://vger.kernel.org/majordomo-info.html > ------------------------------------------------------------------------------ Stay on top of everything new and different, both inside and around Java (TM) technology - register by April 22, and save $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco. 300 plus technical and hands-on sessions. Register today. Use priority code J9JMT32. http://p.sf.net/sfu/p _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs _______________________________________________ Please note that nfs@lists.sourceforge.net is being discontinued. Please subscribe to linux-nfs@vger.kernel.org instead. http://vger.kernel.org/vger-lists.html#linux-nfs