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From Charles Richard <charle...@thelearningbar.com>
Subject Re: Session replication/fail-over for medium sized tomcat farm
Date Fri, 03 Jul 2015 13:17:54 GMT
On Fri, Jul 3, 2015 at 9:58 AM, Daniel Mikusa <dmikusa@pivotal.io> wrote:

> On Fri, Jul 3, 2015 at 8:36 AM, Charles Richard <
> charles.r@thelearningbar.com> wrote:
>
> > Hi,
> >
> > We are currently using a product called Terracotta to do session
> > fail-over/replication but are considering moving away from this product
> as
> > it doesn't seem to support Java 7 and Tomcat 7.
> >
> > What products exist out there that would help with session
> > fail-over/replication?  I only know of 3:
> >
> > - Terracotta
> > - Hazelcast
> > - Tomcat native session failover (is not recommended for many tomcat
> nodes)
> >
>
> I think that recommendation is just for the DeltaManager.  You can use the
> BackupManager with larger numbers of nodes since it's not replicating
> session data to all of the nodes in the cluster.
>
> http://tomcat.apache.org/tomcat-7.0-doc/config/cluster-manager.html
>
> In addition to that Redis and Memcached are two popular ways of sharing
> session state.
>
> Dan
>
>  In the link you sent, it mentions the following:

"Downside of the BackupManager: not quite as battle tested as the delta
manager. "

Are you aware of companies using this for their Tomcat farms?

Thanks,
Charles

>
> >
> > I want to make sure i know all options before making a decision.
> >
> > Thanks,
> > Charles
> >
>

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