> -----Original Message----- > From: squirrelmail-users-bounces@xxxxxxxxxxxxxxxxxxxxx > [mailto:squirrelmail-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of > Daniel Watts > Sent: Thursday, February 01, 2007 10:54 AM > To: squirrelmail-users@xxxxxxxxxxxxxxxxxxxxx > Subject: Mail attachments in a cluster environment > > Our system looks like this: > > [internet] > > [load balancer] [load balancer] > > | \/ | \/ A > [web] [web] [web] <---mysql cluster > > \ | / > [imap server] > > > > The web servers are all sharing their sessions which are stored in a > mysql cluster. This means that the user can connect to any web server > and still maintain their session. [snip] > We don't really want to be storing 30MB attachments in a database as > well and using a shared NFS attachment driectory introduces a single > point of failure (the NFS server). Can anyone think of any other options > we have? Use session persistence in your load balancer. I know from experience with Alteons in this same situation that they work very well. The first connection from the user gets sent to whichever available web server based on your balancing strategy and all subsequent requests from that user go to the same machine until the session expires. -- Marc ------------------------------------------------------------------------- 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 -- squirrelmail-users mailing list Posting Guidelines: http://www.squirrelmail.org/wiki/MailingListPostingGuidelines List Address: squirrelmail-users@xxxxxxxxxxxxxxxxxxxxx List Archives: http://news.gmane.org/thread.php?group=gmane.mail.squirrelmail.user List Archives: http://sourceforge.net/mailarchive/forum.php?forum_id=2995 List Info: https://lists.sourceforge.net/lists/listinfo/squirrelmail-users
