Re:Keycloak: Open-source identity and access management
by cybrix12 on Tuesday April 14, 2020 @08:41PM
(#22873176)
When using a K8s cluster with the helm chart [1], it's actually the stateful set that takes care to the update.
When the first replica restart, Keycloak makes the updates to the database itself. Sometimes rolling back to a previous version can break. They do not hold the reverse of the database version [2].
I believe the reason behind the STS (StatefulSet) is so the cache have the time to spread among the replicas as it get upgraded.
When the first replica restart, Keycloak makes the updates to the database itself. Sometimes rolling back to a previous version can break. They do not hold the reverse of the database version [2].
I believe the reason behind the STS (StatefulSet) is so the cache have the time to spread among the replicas as it get upgraded.
[1]: https://github.com/codecentric/helm-charts/tree/master/chart... [2]: https://www.keycloak.org/docs/9.0/upgrading/