[keycloak-user] rolling upgrade

[mathias.goeppel at daimler.com]

Hello everyone,

for a few months we are using keycloak at car2go. Currently we are on keycloak version 2.5.4.Final but we’d like to upgrade. Is there any documented way how to do this in a clustered environment without downtime?

Are older versions compatible to the new database scheme so we can perform a rolling upgrade? Are objects cached in Infinispan compatible?

The only documentation I found so far ishttps://keycloak.gitbooks.io/documentation/server_admin/topics/MigrationFromOlderVersions.html but this does involve downtime. Am I missing something? What is the approach you would recommend?

Thanks in advance - mat


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