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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-backup-concepts.html
In the listing just shown, backup_id stands for the backup identifier and node_id is the unique identifier for the node creating the file. A backup is a snapshot of the database at a given time. The data actually stored in the database tables at ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-computer-definition.html
(NDB 9.7.0) This is a unique identifier, used to refer to the host computer elsewhere in the configuration file. The [computer] section has no real significance other than serving as a way to avoid the need of defining host names for each node in ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-disk-data-objects.html
This means that each Disk Data object must be uniquely named (and not merely each Disk Data object of a given type). NDB Cluster Disk Data storage is implemented using the following objects: Tablespace: Acts as containers for other Disk Data ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-limitations-unsupported.html
A number of features supported by other storage engines are not supported for NDB tables. Trying to use any of these features in NDB Cluster does not cause errors in or of itself; however, errors may occur in applications that expects the features ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-logs-cluster-log.html
ticket_id is a unique identifier handed out by the arbitrator when it is selected to all the nodes that participated in its selection; this is used to ensure that each node requesting arbitration was one of the nodes that took part in the selection ... The following table lists the most common NDB cluster log ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndb-innodb-workloads.html
NDB Cluster has a range of unique attributes that make it ideal to serve applications requiring high availability, fast failover, high throughput, and low latency. Due to its distributed architecture and multi-node implementation, NDB Cluster also ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/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/9.7/en/mysql-cluster-ndbinfo-dictionary-columns.html
The table provides NDB dictionary information about columns of NDB tables.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-dictionary-tables.html
dictionary_tables contains the columns listed here: table_id The table' unique ID database_name Name of the database containing the table table_name Name of the table status The table status; one of New, Changed, Retrieved, Invalid, or Altered.