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https://dev.mysql.com/doc/ndbapi/en/ndbapi-examples-array-adapter.html
This program inserts CHAR, VARCHAR, and BINARY column data into a table by constructing aRef objects using array adapters of the type defined in common/array_adapter.hpp (see Section 2.5.15, “Common Files for NDB API Array Examples”). static ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-sysschema-tablemetadatalockwaiters-category.html
Lists the Sys Schema Table Metadata Lock Waits metrics and provides a brief description of each. Table 6.41 Sys Schema Table Metadata Lock Waits Metrics NameDescriptionBlocking Account The account of the session that is blocking the current ...
https://dev.mysql.com/doc/refman/8.4/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). (If the MySQL Server is running with ...
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-dictionary-columns.html
The table provides NDB dictionary information about columns of NDB tables.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-diskpagebuffer.html
The diskpagebuffer table provides statistics about disk page buffer usage by NDB Cluster Disk Data tables. The diskpagebuffer table contains the following columns: node_id The data node ID block_instance Block instance pages_written Number of pages ...If any of these values are less than 95%, this is a strong indicator that the setting for DiskPageBufferMemory needs to be increased in the config.ini ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-index-columns.html
This table provides information about indexes on NDB tables. The columns of the index_columns table are listed here, along with brief descriptions: table_id Unique ID of the NDB table for which the index is defined Name of the database containing ...
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-transporter-details.html
This table contains information about individual NDB transporters, rather than aggregate information as shown by the transporters table. The transporter_details table displays a row showing the status of each transporter in the cluster. See the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-delete-all.html
In some cases, this can be much faster than DELETE or even TRUNCATE TABLE. Usage ndb_delete_all -c connection_string tbl_name -d db_name This deletes all rows from the table named tbl_name in the database named db_name. Options that can be used with ...--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving ...