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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-add-node-basics.html
Important All management servers must be restarted with the --reload or --initial option to force the reading of the new configuration. In this section, we list the basic steps required to add new data nodes to an NDB Cluster. This procedure ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-add-node.html
Important Currently, you must add new data nodes to an NDB Cluster as part of a new node group. This section describes how to add NDB Cluster data nodes “online”—that is, without needing to shut down the cluster completely and restart it as ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-config.html
Important The --xml option can be used only with the --configinfo option. This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one of a number of sources: an NDB Cluster management node, or its ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-failover.html
Important You must ensure that the replica mysqld is started with --replica-skip-errors=ddl_exist_errors before executing START REPLICA. In the event that the primary Cluster replication process fails, it is possible to switch over to the secondary ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-general.html
Important If you attempt to use NDB Cluster Replication with --binlog-format=STATEMENT, replication fails to work properly because the ndb_binlog_index table on the source cluster and the epoch column of the ndb_apply_status table on the replica ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-schema.html
Not logging changes to tables with very frequent updates but whose value is not great is a good fit for transient data (such as session data) that may be relatively unimportant in the event of a complete failure of the cluster. Important For insert ... ndb_apply_status Table ndb_binlog_index Table ndb_replication Table Replication in NDB Cluster makes use of a number of dedicated tables in the mysql database on each MySQL Server instance acting as an SQL node in both the cluster being replicated and in the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-security-mysql-security-procedures.html
In this section, we discuss MySQL standard security procedures as they apply to running NDB Cluster. In general, any standard procedure for running MySQL securely also applies to running a MySQL Server as part of an NDB Cluster. First and foremost, ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-shm-definition.html
Communications between NDB cluster nodes are normally handled using TCP/IP. The shared memory (SHM) transporter is distinguished by the fact that signals are transmitted by writing in memory rather than on a socket. The shared-memory transporter ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-tcp-definition.html
Important Any [tcp] sections in the config.ini file should be listed last, following all other sections in the file. TCP/IP is the default transport mechanism for all connections between nodes in an NDB Cluster. Normally it is not necessary to ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-enterprise-backup.html
For these reasons, hot backups are desirable when your database “grows up” -- when the data is large enough that the backup takes significant time, and when your data is important enough to your business that you must capture every last change, ... MySQL Enterprise Backup performs hot backup operations for MySQL ...