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https://dev.mysql.com/doc/refman/8.0/en/replication-asynchronous-connection-failover.html
The asynchronous connection failover mechanism can be used to keep a replica synchronized with multiple MySQL servers or groups of servers that share data. From MySQL 8.0.23, the asynchronous connection failover mechanism also supports Group ...
https://dev.mysql.com/doc/refman/8.0/en/replication-functions-async-failover.html
The following functions, which are available from MySQL 8.0.22 for standard source to replica replication and from MySQL 8.0.23 for Group Replication, enable you to add and remove replication source servers from the source list for a replication ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.
https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html
If older client software cannot be upgraded immediately, the new named_pipe_full_access_group system variable can be used to give a Windows group the necessary permissions to open a named pipe connection. MySQL now supports creation and management ... This section summarizes what has been added to, deprecated in, and removed from MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/privileges-provided.html
CREATE TABLESPACE Enables use of statements that create, alter, or drop tablespaces and log file groups. Enables the account to start and stop replication, including Group Replication. The corresponding dynamic privilege is REPLICATION_SLAVE_ADMIN ... The privileges granted to a MySQL account determine which operations the account can ...
https://dev.mysql.com/doc/refman/8.0/en/change-replication-source-to.html
Note that the Group Replication applier channel (group_replication_applier) has no receiver thread, only an applier thread. Channels specific to Group Replication cannot use ASSIGN_GTIDS_TO_ANONYMOUS_TRANSACTIONS, but an asynchronous replication ...
https://dev.mysql.com/doc/refman/8.0/en/change-master-to.html
Note that the Group Replication applier channel (group_replication_applier) has no receiver thread, only an applier thread. Channels specific to Group Replication cannot use ASSIGN_GTIDS_TO_ANONYMOUS_TRANSACTIONS, but an asynchronous replication ...
https://dev.mysql.com/doc/refman/8.0/en/mysqld-multi.html
mysqld_multi searches for groups named [mysqldN] in my.cnf (or in the file named by the --defaults-file option). This number is referred to in the following discussion as the option group number, or GNR. Group numbers distinguish option groups from ... mysqld_multi is designed to manage several mysqld processes that listen for connections on different Unix socket files and TCP/IP ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-mgm-client-commands.html
CREATE NODEGROUP nodeid[, nodeid, ...] Creates a new NDB Cluster node group and causes data nodes to join it. This command is used after adding new data nodes online to an NDB Cluster, and causes them to join a new node group and thus to begin ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-remarks.html
However, all data and indexes added to tables created after a new node group has been added are distributed automatically among all cluster data nodes, including those added as part of the new node group. It is possible to add a new node group ...