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From Romain Manni-Bucau <rmannibu...@gmail.com>
Subject Re: [OT but still JSF]: Clustering, session replication, and database, too
Date Sun, 20 Oct 2013 10:21:59 GMT
@thomas: same on tomee + tomee has another integration for it, optimized
for tomcat
Le 20 oct. 2013 11:35, "Thomas Andraschko" <andraschko.thomas@gmail.com> a
écrit :

> Hey,
>
> JFYI:
> MyFaces+OWB on Tomcat with MSM is working fine.
>
> Don't know about TomEE.
>
> Regards,
> Thomas
>
>
> 2013/10/20 Karl Kildén <karl.kilden@gmail.com>
>
> > Hello! I am also very interested in having more i.e. docs, examples and
> > stuff for clustering across the tomee stack. The discussion came up on a
> > jira some time ago and after that I asked Thomas to write a new post
> about
> > it (First part was great!).
> >
> > For example this is something that sounds really interesting and I want
> to
> > know more:
> >
> > * do not replicate the session over to other nodes!
> >
> > My scenarios are usually tomee with one war or tomcat with one war and
> JSF,
> > CDI, JPA only.
> >
> >
> > On 20 October 2013 05:48, Howard W. Smith, Jr. <smithh032772@gmail.com
> > >wrote:
> >
> > > 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
> > >
> >
>

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