Observing Cluster Needs Several Minutes to Re-join All Members
(Doc ID 2677048.1)
Last updated on JUNE 08, 2020
Applies to:Oracle Coherence - Version 18.104.22.168.0 and later
Information in this document applies to any platform.
It seems the senior member took a while (~3 minutes) to leave the cluster after it detected the network problem. Once it detected network problem, it initiated connection migration in an attempt to reconnect. After the attempt failed, it tried to form its own cluster. It seems node is not completely disconnected from the network and it received message from another cluster member. But eventually, it left the cluster and restarted/rejoined the cluster. During this period, any member trying to join cluster had to wait.
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