If instance is not specified, the new primary is the instance with the highest member weight (and the lowest UUID in case of a tie on member weight). This section explains how to change an InnoDB Cluster from single-primary to multi-primary mode or ...

ReplicaSet.status({extended:1}): Setting extended to 1 includes Metadata Version, server UUID, replication information such as lag and worker threads, the raw information used to derive the status of the instance, size of the applier queue, value of ...The ReplicaSet.status() operation supports the extended option to get different levels of ...

The options dictionary supports the following: updateViewChangeUuid: Boolean value used to indicate if a value should be generated and set for the group_replication_view_change_uuid system variable on the cluster instances. This system variable ...