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https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-attribute-tables-mysqld.html
Ndb_system_name: Configured cluster system name; empty if server not connected to NDB. ndb-connectstring: Address of NDB management server distributing configuration information for this cluster. ndb-log-apply-status: Cause MySQL server acting as ...
https://dev.mysql.com/doc/refman/8.4/en/show-variables.html
SHOW [GLOBAL | SESSION] VARIABLES [LIKE 'pattern' | WHERE expr] SHOW VARIABLES shows the values of MySQL system variables (see Section 7.1.8, “Server System Variables”). The scope for each system variable is listed at Section 7.1.8, “Server ...System variable information is also available from these sources: Performance Schema ...A WHERE clause can be given to select rows using ...
https://dev.mysql.com/doc/mysqld-version-reference/en/options-variables.html
The following table shows all the options and variables available in MySQL Server. Dyn: Whether the item is dynamically settable while the server is running. Whether the item is available in the corresponding MySQL Server release series. Intr: The ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-configuration-variables.html
Different settings work best for servers with light, predictable loads, versus servers that are running near full capacity all the time, or that experience spikes of high activity. When the system has unused I/O capacity, more read-ahead can ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-variables.html
The default_storage_engine system variable is not replicated, regardless of the logging mode; this is intended to facilitate replication between different storage engines. To help reduce possible confusion, we recommend that you always use the same ...However, when mysqlbinlog parses a SET @@sql_mode = mode statement, the full mode value, including NO_DIR_IN_CREATE, is passed to the receiving ...sql_mode is also ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-status-variable-tables.html
The MySQL server maintains many status variables that provide information about its operation (see Section 7.1.10, “Server Status Variables”). If the performance_schema_max_thread_instances system variable is not autoscaled (signified by a ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-status-variables.html
Performance_schema_session_connect_attrs_longest_seen In addition to the connection attribute size-limit check performed by the Performance Schema against the value of the performance_schema_session_connect_attrs_size system variable, the server ...
https://dev.mysql.com/doc/refman/8.4/en/program-variables.html
See Section 15.7.6.1, “SET Syntax for Variable Assignment”, and Section 7.1.9, “Using System Variables”. Most of these program variables also can be set at server startup by using the same syntax that applies to specifying program options.
https://dev.mysql.com/doc/heatwave/en/heatwave-status-variables.html
ON: Indicates that change propagation is enabled globally, permitting changes to InnoDB tables on the MySQL DB System to be propagated to their counterpart tables in the MySQL HeatWave Cluster. The value of this variable is a JSON object containing ...Data is tracked in megabytes and is a cumulative total of data scanned since the MySQL HeatWave Cluster was last ...
https://dev.mysql.com/doc/refman/8.4/en/x-plugin-options-variables.html
This section describes the command options and system variables that configure X Plugin, as well as the status variables available for monitoring purposes. If configuration values specified at startup time are incorrect, X Plugin could fail to ...