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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-cluster-transactions.html
The cluster_transactions table shows information about all ongoing transactions in an NDB Cluster. (Currently, the MySQL Server does not expose the NDB API transaction ID of an ongoing transaction.) block_instance refers to an instance of a kernel ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-counters.html
See text for names of individual counters and the NDB kernel block with which each counter is associated. The counters table provides running totals of events such as reads and writes for specific kernel blocks and data nodes. Counts are kept from ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-locks-per-fragment.html
The locks_per_fragment table provides information about counts of lock claim requests, and the outcomes of these requests on a per-fragment basis, serving as a companion table to operations_per_fragment and memory_per_fragment. This table also ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-nodes.html
status Current status of the data node; see text for possible values. This table contains information on the status of data nodes. For each data node that is running in the cluster, a corresponding row in this table provides the node's node ID, ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-resources.html
This table provides information about data node resource availability and usage. The resources table contains the following columns: node_id The unique node ID of this data node. reserved The amount reserved for this resource, as a number of 32KB ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-server-transactions.html
The server_transactions table is subset of the cluster_transactions table, but includes only those transactions in which the current SQL node (MySQL Server) is a participant, while including the relevant connection IDs. Together with the block ...
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-operations.html
Columns to be added online cannot use the BLOB or TEXT type, and must meet the following criteria: The columns must be dynamic; that is, it must be possible to create them using COLUMN_FORMAT DYNAMIC. MySQL NDB Cluster supports online table schema ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-error-reporter.html
ndb_error_reporter creates an archive from data node and management node log files that can be used to help diagnose bugs or other problems with a cluster. It is highly recommended that you make use of this utility when filing reports of bugs in ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-perror.html
--help, -? Command-Line Format --help Display program help text and exit. ndb_perror shows information about an NDB error, given its error code. This includes the error message, the type of error, and whether the error is permanent or temporary.