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https://dev.mysql.com/doc/refman/9.7/en/group-replication-ipv6.html
Group Replication group members can use IPv6 addresses as an alternative to IPv4 addresses for communications within the group. To use IPv6 addresses, the operating system on the server host and the MySQL Server instance must both be configured to ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-limitations.html
Limit on Group Size Limits on Transaction Size The following known limitations exist for Group Replication. Note that the limitations and issues described for multi-primary mode groups can also apply in single-primary mode clusters during a ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-requirements.html
Infrastructure Server Instance Configuration Server instances that you want to use for Group Replication must satisfy the following requirements. Transactions are executed optimistically and then, at commit time, are checked for conflicts. If there ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-responses-failure-exit.html
The group_replication_exit_state_action system variable specifies what Group Replication does when the member leaves the group unintentionally due to an error or problem, and either fails to auto-rejoin or does not try. Note that in the case of an ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-recovery.html
To achieve point-in-time recovery after restoring a backup, you can apply changes from the binary log that occurred after the backup was made. Recovery from Data Corruption or Disk Failure If your database becomes corrupted or disk failure occurs, ...
https://dev.mysql.com/doc/refman/9.7/en/memory-use.html
MySQL allocates buffers and caches to improve performance of database operations. The default configuration is designed to permit a MySQL server to start on a virtual machine that has approximately 512MB of RAM. You can improve MySQL performance by ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-event-reports.html
In this section, we discuss the types of event logs provided by NDB Cluster, and the types of events that are logged. NDB Cluster provides two types of event log: The cluster log, which includes events generated by all cluster nodes. The cluster ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-limitations-multiple-nodes.html
The following are issues relating to the use of multiple MySQL servers as NDB Cluster SQL nodes, and are specific to the NDBCLUSTER storage engine: Stored programs not distributed. Stored procedures, stored functions, triggers, and scheduled events ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-mgm-definition.html
The [ndb_mgmd] section is used to configure the behavior of the management server. If multiple management servers are employed, you can specify parameters common to all of them in an [ndb_mgmd default] section. [mgm] and [mgm default] are older ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-arbitrator-validity-summary.html
The arbitrator_validity_summary table provides a composite view of the arbitrator with regard to the cluster's data nodes. If it has more than 1 row for longer than a few moments, then either not all nodes are connected to the arbitrator, or all ...