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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-limitations-performance.html
Unique hash indexes created with USING HASH cannot be used for accessing a table if NULL is given as part of the key. The following performance issues are specific to or especially pronounced in NDB Cluster: Range scans. There are query performance ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-blobs.html
The part and inline sizes of NDB blob columns can be set using CREATE TABLE and ALTER TABLE statements containing NDB table column comments (see NDB_COLUMN Options); this can also be done in NDB API applications (see Column::setPartSize() and ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-events.html
This table provides information about event subscriptions in NDB. The columns of the events table are listed here, with short descriptions of each: event_id The event ID name The name of the event table_id The ID of the table on which the event ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-files.html
The files table is empty if no disk data objects have been created in NDB. See Section 25.6.11.1, “NDB Cluster Disk Data Objects”, for more information.
https://dev.mysql.com/doc/refman/8.4/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/8.4/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-table-info.html
The table_info table provides information about logging, checkpointing, distribution, and storage options in effect for individual NDB tables.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-table-replicas.html
The table_replicas table provides information about the copying, distribution, and checkpointing of NDB table fragments and fragment replicas.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo.html
ndbinfo is included with NDB Cluster support in the MySQL Server; no special compilation or configuration steps are required; the tables are created by the MySQL Server when it connects to the cluster. ndbinfo is a database containing information ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-drop-index.html
It is recommended that you use this utility only as an example for writing NDB API applications—see the Warning later in this section for details. Usage ndb_drop_index -c connection_string table_name index -d db_name The statement shown above ...