[keycloak-user] Replace use of Infinispan with User Sessions SPI ?

[Niko Köbler]

Hi Marek,

> Am 14.12.2015 um 08:50 schrieb Marek Posolda <mposolda at redhat.com>:
> 
> Btv. what's your motivation to not use infinispan? If you afraid of cluster communication, you don't need to worry much about it, because if you run single keycloak through standalone.xml, the infinispan automatically works in LOCAL mode and there is no any cluster communication at all. 

My current customer is running his apps in AWS. As known, multicast is not available in cloud infrastructures. Wildfly/Infinispan Cluster works pretty well with multicast w/o having to know too much about JGroups config. S3_PING seams to be a viable way to get a cluster running in AWS.
But additionally, my customer doesn’t have any (deep) knowledge about JBoss infrastructures and so I’m looking for a way to be able to run Keycloak in a cluster in AWS without the need to build up deeper knowlegde of JGroups config, for example in getting rid of Infinispan. But I do understand all the concerns in doing this.
I still have to test S3_PING, if it works as easy as multicast. If yes, we can use it, if no… I don’t know yet. But this gets offtopic for Keycloak mailinglist, it’s more related to pure Wildfly/Infinispan.

- Niko

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