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then different information could be reported, depending on which server is queried. If the server has left the group then it cannot report updated information about the other servers’ states. If there is a partition, such that quorum is lost, servers are not able to coordinate between themselves. As a consequence, they cannot guess what the status of different servers is. Therefore, instead of guessing their state they report that some servers are unreachable. 

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## 18.4.3 The replication_group_members Table 

The performance_schema.replication_group_members  table is used for monitoring the status of the different server instances that are members of the group. The information in the table is updated whenever there is a view change, for example when the configuration of the group is dynamically changed when a new member joins. At that point, servers exchange some of their metadata to synchronize 

