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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-arbitrator-validity-summary.html
The arbitrator_validity_summary table provides a composite view of the arbitrator with regard to the cluster's data nodes. If it has more than 1 row for longer than a few moments, then either not all nodes are connected to the arbitrator, or all ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-blobs.html
Parts of JSON values exceeding 4000 bytes in size are also stored in this table. For more information about how NDB Cluster stores columns of such types, see String Type Storage Requirements. The part and inline sizes of NDB blob columns can be set ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/mysql-cluster-ndbinfo-certificates.html
The certificates table provides information about the certificates used by nodes connecting with TLS link encryption (see Section 25.6.19.5, “TLS Link Encryption for NDB Cluster”). The certificates table contains the following columns: Node_id ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-cluster-locks.html
The cluster_locks table provides information about current lock requests holding and waiting for locks on NDB tables in an NDB Cluster, and is intended as a companion table to cluster_operations. Information obtain from the cluster_locks table may ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-config-nodes.html
The config_nodes table shows nodes configured in an NDB Cluster config.ini file. For each node, the table displays a row containing the node ID, the type of node (management node, data node, or API node), and the name or IP address of the host on ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-config-params.html
The config_params table is a static table which provides the names and internal ID numbers of and other information about NDB Cluster configuration parameters. This table can also be used in conjunction with the config_values table for obtaining ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-config-values.html
The config_values table provides information about the current state of node configuration parameter values. Each row in the table corresponds to the current value of a parameter on a given node. The config_values table contains the following ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/mysql-cluster-ndbinfo-cpudata-1sec.html
The cpudata_1sec table provides data about CPU usage per second over the last 20 seconds.