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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-index-stat.html
ndb_index_stat provides per-fragment statistical information about indexes on NDB tables. This includes cache version and age, number of index entries per partition, and memory consumption by indexes. Running ndb_index_stat with the --update option ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-mgm.html
The ndb_mgm management client process is actually not needed to run the cluster. Its value lies in providing a set of commands for checking the cluster's status, starting backups, and performing other administrative functions. The management client ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-mgmd.html
The management server is the process that reads the cluster configuration file and distributes this information to all nodes in the cluster that request it. Management clients can connect to the management server and check the cluster's status. All ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-move-data.html
Usage The program is invoked with the names of the source and target tables; either or both of these may be qualified optionally with the database name. ndb_move_data options source target Options that can be used with ndb_move_data are shown in the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-show-tables.html
ndb_show_tables displays a list of all NDB database objects in the cluster. By default, this includes not only both user-created tables and NDB system tables, but NDB-specific indexes, internal triggers, and NDB Cluster Disk Data objects as well.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-waiter.html
ndb_waiter repeatedly (each 100 milliseconds) prints out the status of all cluster data nodes until either the cluster reaches a given status or the --timeout limit is exceeded, then exits. By default, it waits for the cluster to achieve STARTED ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbd.html
The ndbd binary provides the single-threaded version of the process that is used to handle all the data in tables employing the NDBCLUSTER storage engine. This data node process enables a data node to accomplish distributed transaction handling, ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ps-tables.html
NDB provides information in the MySQL Performance Schema about ndbcluster plugin threads and instrumenting for transaction batch memory. These features are described in greater detail in the sections which follow. Thread names are shown in the name ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-failover.html
In the event that the primary Cluster replication process fails, it is possible to switch over to the secondary replication channel. This means that the ndb_apply_status table contains information for the replica on this host as well as for any ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-indexes.html
Indexes are used to find rows with specific column values quickly. Without an index, MySQL must begin with the first row and then read through the entire table to find the relevant rows. If the table has an index for the columns in question, MySQL ...