[jboss-user] [Clustering/JBoss] - Re: Cluster Deployment: farming

bstansberry@jboss.com do-not-reply at jboss.com
Wed Jun 25 18:53:48 EDT 2008

OK, I see what you are getting at.

Farming isn't going to do what you want. Even if it supported exploded deployments, it wouldn't do what you want. It would just monitor the web.xml file and copy the war content around the cluster if that file changed. It's not a general purpose file replication service.

In general, I don't think trying to edit the content of the tmp/ dir is correct usage. People do it to .jsp files to avoid having to redeploy a war to pick up a minor jsp change, but the expectation is those updated jsps will be included in any new version of the war copied to deploy.  It's better to store data that isn't packaged in teh deployment itself but is expected to survive a redeploy in the server/.../data dir -- that's the purpose of that dir.

If you want files that users upload to be reflected around the cluster, you'll need to come up with your own solution for that. There is no standard service JBoss AS provides. Possibilities are storing them in NFS mount, using some file replication software outside of JBoss AS, or perhaps using JBoss Cache.  JBC can of course replicate content and can also be configured to store a copy of the file on the local filesystem.

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