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https://dev.mysql.com/doc/refman/8.4/en/server-system-variables.html
The MySQL server maintains many system variables that affect its operation. Most system variables can be set at server startup using options on the command line or in an option file. For a system variable summary table, see Section 7.1.5, “Server ...Some variables are read-only, and their values are determined by the system environment, by how MySQL is installed on the system, or possibly by the options used to compile ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-system-variables.html
These system variables must have the same value on all group members, and require a full reboot of the group (a bootstrap by a server with group_replication_bootstrap_group=ON) in order for the value change to take effect. Most system variables for ... This section lists the system variables that are specific to the Group Replication ...Group Replication's ...For example, in InnoDB Cluster, the default value of ...
https://dev.mysql.com/doc/refman/8.4/en/server-system-variable-reference.html
The table lists command-line options (Cmd-line), options valid in configuration files (Option file), server system variables (System Var), and status variables (Status var) in one unified list, with an indication of where each option or variable is ... The following table lists all system variables applicable within ...Where ...
https://dev.mysql.com/doc/refman/8.4/en/server-option-variable-reference.html
The table lists command-line options (Cmd-line), options valid in configuration files (Option file), server system variables (System Var), and status variables (Status var) in one unified list, with an indication of where each option or variable is ... The following table lists all command-line options, system variables, and status variables applicable within ...
https://dev.mysql.com/doc/refman/8.4/en/pluggable-authentication-system-variables.html
authentication_kerberos_service_principal Command-Line Format --authentication-kerberos-service-principal=name System Variable authentication_kerberos_service_principal Scope Global Dynamic Yes SET_VAR Hint Applies No Type String Default Value ...If ...The file name should be given as an absolute path ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/plugin-status-system-variables.html
The server plugin interface enables plugins to expose status and system variables using the status_vars and system_vars members of the general plugin descriptor. For convenience, a number of macros are defined that make creating new system ...The ...The st_mysql_sys_var structure is defined as follows: struct st_mysql_sys_var { int flags; const char *name, *comment; int (*check)(THD*, struct st_mysql_sys_var *, void*, st_mysql_value*); void (*update)(THD*, struct st_mysql_sys_var *, void*, const void*); }; Additional fields are append as required depending upon the ...
https://dev.mysql.com/doc/refman/8.4/en/persisted-system-variables.html
The MySQL server maintains system variables that configure its operation. A system variable can have a global value that affects server operation as a whole, a session value that affects the current session, or both. Many system variables are ...
https://dev.mysql.com/doc/refman/8.4/en/x-plugin-options-system-variables.html
mysqlx_bind_address is not dynamic, so to fix any issues you must stop the server, correct the system variable value, and restart the server. mysqlx_deflate_default_compression_level Command-Line Format --mysqlx_deflate_default_compression_level=# ...If X Plugin is enabled, it exposes several system variables that permit control over its operation: mysqlx_bind_address Command-Line Format --mysqlx-bind-address=addr System Variable mysqlx_bind_address Scope Global Dynamic No SET_VAR Hint Applies No Type String Default Value * The network address on which X Plugin listens for TCP/IP ...
https://dev.mysql.com/doc/mysql-errors/8.4/en/server-error-reference.html
Correct value %.*s The client has set its version_tokens_session system variable to the list of tokens it requires the server to match, but the server token list has at least one matching token name that has a value different from what the client ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-system-variables.html
performance_schema_error_size Command-Line Format --performance-schema-error-size=# System Variable performance_schema_error_size Scope Global Dynamic No SET_VAR Hint Applies No Type Integer Default Value number of server error codes Minimum Value 0 ...Performance Schema system variables have the following meanings: performance_schema Command-Line Format --performance-schema[={OFF|ON}] System Variable performance_schema Scope Global Dynamic No SET_VAR Hint Applies No Type Boolean Default Value ON The value of this variable is ON or OFF to indicate whether the Performance Schema is ...