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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-blocks.html
The blocks table is a static table which simply contains the names and internal IDs of all NDB kernel blocks (see NDB Kernel Blocks). It is for use by the other ndbinfo tables (most of which are actually views) in mapping block numbers to block ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-cluster-operations.html
The cluster_operations table provides a per-operation (stateful primary key op) view of all activity in the NDB Cluster from the point of view of the local data management (LQH) blocks (see The DBLQH Block). (Currently, the MySQL Server does not ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/mysql-cluster-ndbinfo-counters.html
The counters table provides running totals of events such as reads and writes for specific kernel blocks and data nodes. Counts are kept from the most recent node start or restart; a node start or restart resets all counters on that node. The ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-dictionary-columns.html
The table provides NDB dictionary information about columns of NDB tables.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-hash-maps.html
id The hash map's unique ID version Hash map version (integer) state Hash map state; see Object::State for values and descriptions.
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/mysql-cluster-ndbinfo-memoryusage.html
Querying this table provides information similar to that provided by the ALL REPORT MemoryUsage command in the ndb_mgm client, or logged by ALL DUMP 1000. The memoryusage table contains the following columns: node_id The node ID of this data node.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-server-operations.html
The server_operations table contains entries for all ongoing NDB operations that the current SQL node (MySQL Server) is currently involved in. It effectively is a subset of the cluster_operations table, in which operations for other SQL and API ...
https://dev.mysql.com/doc/refman/8.0/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 ...