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https://dev.mysql.com/doc/refman/8.4/en/group-replication-requirements.html
A detached transaction is one which, once prepared, is no longer connected to the current session. The prepared XA transaction can be committed or rolled back by another connection, and the current session can then initiate another XA transaction or ... Infrastructure Server Instance Configuration Server instances that you want to use for Group Replication must satisfy the following ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-recovery.html
Redo log application Redo log application is performed during initialization, before accepting any connections. After redo log application, InnoDB attempts to accept connections as early as possible, to reduce downtime. The rollback is performed by ...To achieve point-in-time recovery after restoring a backup, you can apply changes from the binary log that occurred after the backup was ...
https://dev.mysql.com/doc/refman/8.4/en/memory-use.html
Each thread that the server uses to manage client connections requires some thread-specific space. The following list indicates these and which system variables control their size: A stack (thread_stack) A connection buffer (net_buffer_length) A ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-added-deprecated-removed.html
RequireLinkTls: Read-only; is set to true if either endpoint of this connection requires TLS. RequireTls: Client connection must authenticate with TLS before being used otherwise. Parameters Introduced in NDB 8.4 The following node configuration ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-event-reports.html
Each reportable event can be distinguished according to three different criteria: Category: This can be any one of the following values: STARTUP, SHUTDOWN, STATISTICS, CHECKPOINT, NODERESTART, CONNECTION, ERROR, or INFO. The most common types of ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-general-info.html
Your MySQL connection id is 2 Server version: 8.4.7-cluster Source distribution Type 'help;' or '\h' for help. MySQL NDB Cluster uses the MySQL server with the NDB storage engine. Support for the NDB storage engine is not included in standard MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-configuration.html
Each data node or SQL node requires a my.cnf file that provides two pieces of information: a connection string that tells the node where to find the management node, and a line telling the MySQL server on this host (the machine hosting the data ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-example-data.html
Your MySQL connection id is 1 to server version: 8.4.7-ndb-8.4.7 Type 'help;' or '\h' for help. mysqli_connect_error()); $query = "SELECT Name, Population FROM City ORDER BY Population DESC LIMIT 5"; # if no errors... In a similar fashion, you can ... Note The information in this section applies to NDB Cluster running on both Unix and Windows ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-installation.html
NDB 8.4 supports IPv6 for connections between all NDB Cluster nodes. The result is that each data node connects to the management server, but cannot tell when any other data nodes have connected, and so the data nodes appear to hang while starting.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-limitations-multiple-nodes.html
When using multiple management servers: If any of the management servers are running on the same host, you must give nodes explicit IDs in connection strings because automatic allocation of node IDs does not work across multiple management servers ...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 ...