NumReplicas
getset
public int NumReplicas The number of stream replicas in the NATS JetStream cluster. Higher values improve availability during node restarts (R3 survives single-node failures in a 3-node cluster). The NATS server enforces that the value is odd and does not exceed the cluster size. Defaults to 1. Set to 3 for production clusters with ≥ 3 nodes.