On Fri, Jul 3, 2015 at 9:17 AM, Charles Richard < charle...@thelearningbar.com> wrote:
> On Fri, Jul 3, 2015 at 9:58 AM, Daniel Mikusa <dmik...@pivotal.io> wrote: > > > On Fri, Jul 3, 2015 at 8:36 AM, Charles Richard < > > charle...@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. " > Naturally this statement makes sense because DeltaManager is the default. More people are going to use it. BackupManager has been around for quite a while though. Looking at SVN, it's been almost 9 years. I'd say that gives it a certain amount of credibility. http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/ha/session/BackupManager.java?revision=433703&view=markup > Are you aware of companies using this for their Tomcat farms? > I have worked with multiple customers using it in production. Not as common as DeltaManager, but it's being used. Dan > > Thanks, > Charles > > > > > > > > > I want to make sure i know all options before making a decision. > > > > > > Thanks, > > > Charles > > > > > >
