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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-dict-obj-info.html
(The dict_obj_types table can be queried for a list of all the types.) This information includes the object's type, state, parent object (if any), and fully qualified name. The dict_obj_info table provides information about NDB data dictionary ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-membership.html
The membership table describes the view that each data node has of all the others in the cluster, including node group membership, president node, arbitrator, arbitrator successor, arbitrator connection states, and other information. We determine ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-server-locks.html
This may be useful for correlating locking patterns with specific MySQL user sessions, queries, or use cases. The server_locks table is similar in structure to the cluster_locks table, and provides a subset of the information found in the latter ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-threadstat.html
The threadstat table provides a rough snapshot of statistics for threads running in the NDB kernel. The values of the os_ru_utime, os_ru_stime, os_ru_minflt, os_ru_majflt, os_ru_nvcsw, and os_ru_nivcsw columns are obtained using the system ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-transporters.html
Notes For each running data node in the cluster, the transporters table displays a row showing the status of each of that node's connections with all nodes in the cluster, including itself. This information is shown in the table's status column, ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-add-node-example.html
In this section we provide a detailed example illustrating how to add new NDB Cluster data nodes online, starting with an NDB Cluster having 2 data nodes in a single node group and concluding with a cluster having 4 data nodes in 2 node groups.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-overview.html
NDB Cluster is a technology that enables clustering of in-memory databases in a shared-nothing system. The shared-nothing architecture enables the system to work with very inexpensive hardware, and with a minimum of specific requirements for ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-params-ndbd.html
The listings in this section provide information about parameters used in the [ndbd] or [ndbd default] sections of a config.ini file for configuring NDB Cluster data nodes. For detailed descriptions and other additional information about each of ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-privilege-synchronization.html
A statement granting the NDB_STORED_USER privilege, such as GRANT NDB_STORED_USER ON *.* TO 'cluster_app_user'@'localhost', works by directing NDB to create a snapshot using the queries SHOW CREATE USER cluster_app_user@localhost and SHOW GRANTS FOR ... Privilege synchronization is the mechanism used by NDB Cluster for sharing and synchronizing users, roles, and privileges between SQL ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-size-pl.html
Usage perl ndb_size.pl [--database={db_name|ALL}] [--hostname=host[:port]] [--socket=socket] \ [--user=user] [--password=password] \ [--help|-h] [--format={html|text}] \ [--loadqueries=file_name] [--savequeries=file_name] By default, this utility ...