From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryan Lolli Subject: NFS latency Date: Tue, 8 Aug 2006 07:09:47 -0700 (PDT) Message-ID: <20060808140947.23526.qmail@web82504.mail.mud.yahoo.com> Reply-To: Ryan Lolli Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1587563228==" Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1GASHL-0000Cn-S6 for nfs@lists.sourceforge.net; Tue, 08 Aug 2006 07:09:55 -0700 Received: from web82504.mail.mud.yahoo.com ([209.191.86.191]) by mail.sourceforge.net with smtp (Exim 4.44) id 1GASHK-0008FG-39 for nfs@lists.sourceforge.net; Tue, 08 Aug 2006 07:09:56 -0700 To: nfs@lists.sourceforge.net 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 --===============1587563228== Content-Type: multipart/alternative; boundary="0-764521696-1155046187=:22701" --0-764521696-1155046187=:22701 Content-Type: text/plain; charset=us-ascii I'm currently running on the following version of linux. Red Hat Enterprise Linux AS release 3 (Taroon Update 7) (Linux release 2.4.21-40.EL #1 I have a directory NFS mounted onto my linux box and I'm fighting latency issues. My application needs to read from the directory as close to real-time as possible, but I've seen delays as much as 30 seconds. Does anyone know of a work-around or setting to resolve this latency issue? Thanks. --0-764521696-1155046187=:22701 Content-Type: text/html; charset=us-ascii

I'm currently running on the following version of linux.

Red Hat Enterprise Linux AS release 3 (Taroon Update 7)

(Linux release 2.4.21-40.EL #1

I have a directory NFS mounted onto my linux box and I'm fighting latency issues. My application needs to read from the directory as close to real-time as possible, but I've seen delays as much as 30 seconds. Does anyone know of a work-around or setting to resolve this latency issue? Thanks.

--0-764521696-1155046187=:22701-- --===============1587563228== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 --===============1587563228== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs --===============1587563228==-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trond Myklebust Subject: Re: NFS latency Date: Tue, 08 Aug 2006 10:25:53 -0400 Message-ID: <1155047153.5673.35.camel@localhost> References: <20060808140947.23526.qmail@web82504.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: nfs@lists.sourceforge.net 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 1GASX0-0001gi-GW for nfs@lists.sourceforge.net; Tue, 08 Aug 2006 07:26:06 -0700 Received: from pat.uio.no ([129.240.10.4] ident=7411) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1GASX0-0002gb-Gt for nfs@lists.sourceforge.net; Tue, 08 Aug 2006 07:26:07 -0700 To: Ryan Lolli In-Reply-To: <20060808140947.23526.qmail@web82504.mail.mud.yahoo.com> 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 Tue, 2006-08-08 at 07:09 -0700, Ryan Lolli wrote: > I'm currently running on the following version of linux. > > > > Red Hat Enterprise Linux AS release 3 (Taroon Update 7) > > (Linux release 2.4.21-40.EL #1 > > > > I have a directory NFS mounted onto my linux box and I'm > fighting latency issues. My application needs to read from the > directory as close to real-time as possible, but I've seen delays as > much as 30 seconds. Does anyone know of a work-around or setting to > resolve this latency issue? Thanks. You don't really tell us how your application is checking the directory. Is it polling using opendir()/readdir()/closedir(), is it using stat(), or is it something else altogether? Cheers, Trond ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs