Excellent. ----- Original Message ----- From: "Sacha Labourey" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, February 01, 2003 11:26 AM Subject: RE: [JBoss-user] basic clustering question
> > Assume a server supports a set of HTTP driven applications - a > > browser or a > > soap client of some sort - that are all coming through a sticky load > > balancer. I assume a single JNDI tree so that all of the nodes in our > > cluster have the same world view so to speak. Is that assumption > > correct? A > > yes, thanks to ha-jndi. > > > second question is what happens when you have a set of unrelated > > application > > server clusters or external applications using the same data database? > > Specifially what is the impact on cluster A when records are adding or > > removing through cluster B? Is this a pencil-eye issue (mom, it > > hurts when I > > stick this pencil in my eye:)? > > well, I suggest you take a look at the clustering documentation. You will > have to either use commit option B/C to go to the database each time (and > use pessimistic locking at the db level i.e. select for update trick i.e. > <row-locking> tag) or use a cache invalidation framework. Distributed cache > will come in 4.0. > > cheers, > > > sacha > > > > ------------------------------------------------------- > This SF.NET email is sponsored by: > SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! > http://www.vasoftware.com > _______________________________________________ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
