I had a question or two, since I have been reading "Java Summit - Pitfalls in EE"[1] provided by Mark Struberg while having a discussion on tomee user list.
The following page stated the following: Page 134 Clustering * We use 'asymmetric clustering' * use sticky sessions * backup away the session to a memcached after each request * do not replicate the session over to other nodes! * Session-Replication always in node pairs. * only restore the session from the memcached if a failover happened * msm can be integrated into OWB: http://code.google.com/p/memcached-session-manager/ Since it says, 'We use asymmetric clustering' and other suggestions were made, I found it appropriate to direct my question(s) to MyFaces 'JSF' user list and committers. is there some type of blog (or two or three) available that discuss how to properly cluster a tomcat/tomee/openwebbeans/myfaces JSF web app? also, how is the database replicated? I don't ever see database cluster/replication discussed by JSF developers; i recently had to search for database cluster and saw 'replication', which is something i have not had to worry about since my previous work involved database teams while i was doing front-end/GUI software. now that i am doing java ee and jsf, i would love to know how to do database clustering and/or replicating database while clustering JSF webapp. Of course, right now, i only have one tomee which references 'apache' derby (which is performing well, but I would love to get my feet wet and cluster my web app + database). i did search derby's mail list archives and i learned about sequioa and HA-JDBC (High-Availability JDBC). i was hoping to get an answer from MyFaces 'JSF' users/committers...based on their experience. I think someone told me that they use mysql (clustering); my preference is still 'apache' derby (smile). please remember, i'm wondering if any blogs are available that discuss clustering tomcat (preference = tomee) + JSF web app (with database) + memcached session manager. Thomas has already started writing a blog[2] about this. I'm looking forward to seeing sample config for it all (if available). :) [1] http://people.apache.org/~struberg/eesummit2013/Java%20EE%20Summit%20-%20pitfalls%20in%20EE.pdf [2] http://tandraschko.blogspot.com/2013/09/session-replication-clustering-failover.html
