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MySQL Shell 8.0  /  ...  /  InnoDB Cluster and Auto-increment

7.5.7 InnoDB Cluster and Auto-increment

When you are using an instance as part of an InnoDB Cluster, the auto_increment_increment and auto_increment_offset variables are configured to avoid the possibility of auto increment collisions for multi-primary clusters up to a size of 9 (the maximum supported size of a Group Replication group). The logic used to configure these variables can be summarized as: