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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-params-ndbd.html
DefaultHashMapSize: Set size (in buckets) to use for table hash maps. DiskDataUsingSameDisk: Set to false if Disk Data tablespaces are located on separate physical disks. LateAlloc: Allocate memory after connection to management server has been ...
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 ...--abort-on-error Command-Line Format --abort-on-error Dump core on permanent error (debug ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-quick.html
row *************************** Engine: NDBCLUSTER Support: YES Comment: Clustered, fault-tolerant, memory-based tables *************************** 13. Try to create an NDBCLUSTER table: $> mysql mysql> USE test; Database changed mysql> CREATE TABLE ... To familiarize you with the basics, we describe the simplest possible configuration for a functional NDB ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-tips.html
In cases where a console is shared, this behavior may be unsuitable. Alternatively, create a shortcut that only sets the console font, and set the character set in the [mysql] group of your my.ini file: [mysql] default-character-set=utf8mb4 # or ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-queries.html
To tune queries for InnoDB tables, create an appropriate set of indexes on each table. Follow these guidelines for InnoDB indexes: Because each InnoDB table has a primary key (whether you request one or not), specify a set of primary key columns ...
https://dev.mysql.com/doc/refman/8.4/en/persisted-system-variables.html
This makes PERSIST_ONLY suitable for configuring read-only system variables that can be set only at server startup. The Performance Schema variables_info table contains information showing when and by which user each system variable was most ... The ...
https://dev.mysql.com/doc/refman/8.4/en/pluggable-authentication.html
When a client connects to the MySQL server, the server uses the user name provided by the client and the client host to select the appropriate account row from the mysql.user system table. Pluggable authentication makes it possible for clients to ...The server then authenticates the client, determining from the account row which authentication plugin applies to the client: If the server cannot find the plugin, an error occurs and the connection attempt is ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-errors.html
For example, you might need to create a nonexistent table before you can start the replica again. For nontransactional storage engines such as MyISAM, it is possible to have a statement that only partially updates a table and returns an error code.
https://dev.mysql.com/doc/refman/8.4/en/replication-features-functions.html
For this reason, if you select from the replica's copy of mytable after the CREATE TABLE and INSERT statements just shown have been replicated, you might expect mycol to contain the value 2009-09-01 18:00:00. Therefore, these functions should not be ... Certain functions do not replicate well under some conditions: The USER(), CURRENT_USER() (or CURRENT_USER), UUID(), VERSION(), and LOAD_FILE() functions are replicated without change and thus do not work reliably on the replica unless row-based replication is ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-partitioning.html
Replication is supported between partitioned tables as long as they use the same partitioning scheme and otherwise have the same structure, except where an exception is specifically allowed (see Section 19.5.1.9, “Replication with Differing Table ...DROP PARTITION) that act directly on partitions in such cases might produce different results on the source and the ...