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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndb-api-statistics.html
mysqld exposes these counters as system status variables; their values can be read in the output of SHOW STATUS, or by querying the Performance Schema session_status or global_status table. Each NDB API statistics counter is listed in the following ...This is in spite of the fact that their values can be obtained as either session or global status variables in the mysql ...
https://dev.mysql.com/doc/refman/9.7/en/gone-away.html
You may also see the MySQL server has gone away error if MySQL is started with the skip_networking system variable enabled. If you need big queries (for example, if you are working with big BLOB columns), you can increase the query limit by setting ... This section also covers the related Lost connection to server during query ...If you have a script, you ...
https://dev.mysql.com/doc/refman/9.7/en/mysqld-multi.html
(Alternatively, if the host has multiple network addresses, you can set the bind_address system variable to cause different servers to listen to different interfaces.) The --pid-file option is very important if you are using mysqld_safe to start ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-global-variable-attributes-table.html
For an example of how the server uses system variable attributes, see the description of the offline_mode variable. The global_variable_attributes table provides information about attributes and their values that have been set by the server for ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-added-deprecated-removed.html
Options and Variables Introduced in NDB 9.7 No new system variables, status variables, or server options have been added in NDB 9.7. Options and Variables Deprecated in NDB 9.7 No system variables, status variables, or server options have been ...
https://dev.mysql.com/doc/refman/9.7/en/security-options.html
For descriptions of each of these, see Section 7.1.7, “Server Command Options”, and Section 7.1.8, “Server System Variables”. The following table shows mysqld options and system variables that affect security.
https://dev.mysql.com/doc/refman/9.7/en/group-replication-options.html
The next two sections contain information about MySQL server system and server status variables which are specific to the Group Replication plugin.
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-variables-metadata-table.html
The variables_metadata table shows, for each server system variable, its name, scope, type, range of values (where applicable), and description. The three queries using the variables_metadata table shown in the following example provide information ...VARIABLE_SCOPE The variable's scope; this is one of the values listed here: GLOBAL The variable is ...The ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-configuration-overview.html
All tables include the data type for the parameter, option, or variable, as well as its default, minimum, and maximum values as applicable. For node parameters, these tables also indicate what type of restart is required (node restart or system ...
https://dev.mysql.com/doc/mysql-enterprise-backup/9.7/en/restore-upgrade.html
Important You may encounter technical challenges during a server upgrade or downgrade, and it is beyond the function of MySQL Enterprise Backup, as a backup tool, to ensure a successful server upgrade or downgrade. Users interested in the topic are ...Perform any other additional upgrade steps that might be required for your platform or distribution as documented in the MySQL reference ...