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https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-dbsystem-edit.html
Select Automatic for MySQL HeatWave on AWS to choose the Start day and Start time. Editing a DB System 3.4.3 Editing a DB System Use the MySQL HeatWave Console to edit details of a DB System and various options for it. (For MySQL HeatWave AutoML ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbtransaction.html
NdbTransaction::refresh() Description This method updates the transaction's timeout counter, and thus avoids aborting due to transaction timeout. It is not advisable to take a lock on a record and maintain it for a extended time since this can ...A ...
https://dev.mysql.com/doc/refman/8.4/en/show-engine.html
Use SHOW ENGINE PERFORMANCE_SCHEMA STATUS to inspect the internal operation of the Performance Schema code: mysql> SHOW ENGINE PERFORMANCE_SCHEMA STATUS\G ... An NdbTransaction is created each time a table schema operation (such as CREATE TABLE or ... SHOW ENGINE engine_name {STATUS | MUTEX} SHOW ENGINE displays operational information about a storage ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-set.html
In a cluster that is not running, the MySQL Cluster Manager merely updates the configuration files. However, in a running cluster, the MySQL Cluster Manager in addition automatically performs any node restarts or rolling restarts (see Performing a ...Attributes can be set on either the process level or instance ...
https://dev.mysql.com/doc/refman/8.4/en/storage-requirements.html
Leftover Digits Number of Bytes 0 0 1 1 2 1 3 2 4 2 5 3 6 3 7 4 8 4 Date and Time Type Storage Requirements For TIME, DATETIME, and TIMESTAMP columns, the storage required for tables created before MySQL 5.6.4 differs from tables created from 5.6.4 ... InnoDB Table Storage Requirements NDB Table Storage Requirements Numeric Type Storage Requirements Date and Time Type Storage Requirements String Type Storage Requirements Spatial Type Storage Requirements JSON Storage Requirements The storage requirements for table data on disk depend on several ...
https://dev.mysql.com/doc/internals/en/event-meanings.html
(In MySQL 4.0 and 4.1, this event is written only to the first binary log file that the server creates after startup.) This event is used in MySQL 3.23 through 4.1 and superseded in MySQL 5.0 by FORMAT_DESCRIPTION_EVENT. ROTATE_EVENT Written when ...
https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-connection-control.html
To install the connection control plugins: Add these options under the [mysqld] option group in the MySQL configuration file (/etc/my.cnf): plugin-load-add=connection_control.so connection-control=FORCE_PLUS_PERMANENT ...This capability provides a ... The connection-control plugin library enables administrators to introduce an increasing delay in server response to connection attempts after a configurable number of consecutive failed ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-restarting-group.html
In that situation, to re-create the group, it must be started by bootstrapping as if it was being started for the first time. Edit the MySQL Server configuration file (typically named my.cnf on Linux and Unix systems, or my.ini on Windows systems) ... Group Replication is designed to ensure that the database service is continuously available, even if some of the servers that form the group are currently unable to participate in it due to planned maintenance or unplanned ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-query-profiling.html
mysql> UPDATE performance_schema.setup_instruments SET ENABLED = 'YES', TIMED = 'YES' WHERE NAME LIKE '%statement/%'; mysql> UPDATE performance_schema.setup_instruments SET ENABLED = 'YES', TIMED = 'YES' WHERE NAME LIKE '%stage/%'; Ensure that ...
https://dev.mysql.com/doc/refman/8.4/en/socket-pluggable-authentication.html
Alternatively, to load the plugin at runtime, use this statement: INSTALL PLUGIN auth_socket SONAME 'auth_socket.so'; INSTALL PLUGIN loads the plugin immediately, and also registers it in the mysql.plugins system table to cause the server to load it ...To be usable by the server, the plugin library file must be located in the MySQL plugin directory (the directory named by the plugin_dir system ...