-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 John,
On 1/20/2010 10:28 PM, John Tangney wrote: > We use a cluster to do seamless deploys. We use Nginx on the front end > to direct traffic to one or other of the nodes in the cluster. To > deploy, we bring up the new version of the app in a one node, tell Nginx > to send traffic to that node, then bring down the other node. Because > sessions are propagated, users never notice that one node has been > exchanged for another. Careful: if you change the definition of any of the classes whose objects are in the session, you'll get a nasty replication error (because de-serialization will fail). Be careful with anything you modify that might be lurking in a user's session. > We need to add two more nodes that run on Windows (we have > platform-specific code, and Nginx sends windows traffic to one of the > windows nodes based on URL) but we only have one Windows box. We thought > that perhaps we could just run a second instance of the app on the > Windows node. > > From what you said previously, this does not appear to be possible. So > we'll be looking new hardware. Oh, you can certainly do it. Knowing why you want to do it certainly helps clear things up. I'm still as confused as Chuck is, though :) - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAktYcQ0ACgkQ9CaO5/Lv0PDZCgCdF4KSG28DNwocB2nYQyuX6gHU Me0AniApCDjAYyRRM+kAGI/nkBIv6+Oc =rdu1 -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
