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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbd.html
--initial Command-Line Format --initial Instructs ndbd to perform an initial start. An initial start erases any files created for recovery purposes by earlier instances of ndbd. An --initial start is to be used only when starting the ndbd process ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-system-variables.html
For the keyring_aws plugin to start successfully, the configuration file must exist and contain valid secret access key information, initialized as described in Section 8.4.4.7, “Using the keyring_aws Amazon Web Services Keyring Plugin”. If the ...These variables are unavailable unless the appropriate keyring plugin is installed (see Section 8.4.4.3, “Keyring Plugin ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-start-phases.html
There are several different startup types and modes, as shown in the following list: Initial start. This occurs either when the cluster started for the very first time, or when all data nodes are restarted using the --initial option. Note Disk Data ... This section provides a simplified outline of the steps involved when NDB Cluster data nodes are ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/adding-loadable-function.html
If present, it should deallocate any memory allocated by the initialization function. When an SQL statement invokes XXX(), MySQL calls the initialization function xxx_init() to let it perform any required setup, such as argument checking or memory ... The MySQL interface for loadable functions provides the following features and capabilities: Functions can return string, integer, or real values and can accept arguments of those same ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-auto-increment-handling.html
This section describes the AUTO_INCREMENT lock modes, usage implications of different AUTO_INCREMENT lock mode settings, and how InnoDB initializes the AUTO_INCREMENT counter. InnoDB AUTO_INCREMENT Lock Modes InnoDB AUTO_INCREMENT Lock Mode Usage ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-init-startup-configuration.html
The first decisions to make about InnoDB configuration involve the configuration of data files, log files, page size, and memory buffers, which should be configured before initializing InnoDB. Modifying the configuration after InnoDB is initialized ...You can place InnoDB options in the [mysqld] group of any option file that your server reads when it ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-parameters.html
Some options, which you might not use initially, help tune InnoDB performance characteristics based on machine capacity and database workload. The initial extensions are by small amounts, after which extensions occur in increments of 4MB. The ...
https://dev.mysql.com/doc/refman/8.4/en/data-masking-component-functions.html
Example: mysql> SELECT mask_canada_sin('046-454-286'), mask_canada_sin('abcdefijk'); +--------------------------------+------------------------------+ | mask_canada_sin('046-454-286') | mask_canada_sin('abcdefijk') | ...mask_canada_sin(str [, ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-undo-tablespaces.html
Default undo tablespaces are created at initialization time to provide a location for rollback segments that must exist before SQL statements can be accepted. Undo Tablespace Size The initial undo tablespace size is normally 16MiB. The initial size ... Undo tablespaces contain undo logs, which are collections of records containing information about how to undo the latest change by a transaction to a clustered index ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-mgmd.html
If your intent is to purge or reload the configuration cache without actually disabling caching, you should start ndb_mgmd with one of the options --reload or --initial instead of --skip-config-cache. This option has no default value, and is ignored ... The management server is the process that reads the cluster configuration file and distributes this information to all nodes in the cluster that request ...