Last updated on JANUARY 05, 2017
Applies to:Oracle Coherence - Version 18.104.22.168 and later
Information in this document applies to any platform.
Coherence cluster in ENDANGERED state after 2 nodes out of 45 experienced OOM. Customer has 5 coherence servers, each running 9 coherence nodes. Customer has had out of memory issues with 2 out of 45 nodes at sometime and Customer had to restart the entire cluster since the cluster was in ENDANGERED state. Though few of the nodes left the cluster due to OOME other nodes should not abruptly terminated the partitioned cache service, but that got happened during the partition transferring/redistribution time. The NPE got happened while moving the partitions when discovered that orphaned and their backups were missing.
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