Offline tokens cleared when restarting single node of a cluster in RH-SSO

Solution Verified - Updated -

Issue

  • We have setup RH-SSO in standalone clustered environment with two nodes, if we restart our failover node, our primary node loses its offline sessions. We expect to be able to start and stop 1 node and have it return with all sessions in tact.

  • We have set our owners to 2 for distributed-cache offlineSessions under cache-container keycloak as an attempt to survive restarts as per documentation however this is not working.

  • Does changing the number of owners on the distributed-cache requires a full outage ?

Environment

  • Red Hat Single Sign-On
    • 7.x

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