From: "saeed bishara" Subject: [NFS] read-ahead in NFS server Date: Tue, 25 Dec 2007 17:34:12 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: saeed bishara To: nfs@lists.sourceforge.net Return-path: Received: from neil.brown.name ([220.233.11.133]:60109 "EHLO neil.brown.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752927AbXL1JJD (ORCPT ); Fri, 28 Dec 2007 04:09:03 -0500 Received: from brown by neil.brown.name with local (Exim 4.63) (envelope-from ) id 1J8BD9-0004l1-NM for linux-nfs@vger.kernel.org; Fri, 28 Dec 2007 20:08:59 +1100 Sender: linux-nfs-owner@vger.kernel.org List-ID: Hi, my NFS server seems not to utilize the read-ahead feature, my exported dir is located on ext3 fs over sata disk. the sata controller can issue commands up to 1MB, also I modified the read ahead under the sys to 1MB. but when the client do reads in 32KB chunks (rsize), I can see in the server side that all IOs are ~32KB. my kernel version is 2.6.22.7. does the NFS server utilizes the read-ahead feature? what should I do to enable it? please CC me as I'm not subscribed to this list. saeed ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ 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