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https://dev.mysql.com/doc/connectors/en/connector-j-client-side-failover-xdevapi.html
Notice that the server failover feature for X DevAPI only allows for a failover when Connector/J is trying to establish a connection, but not during operations after a connection has already been made. Configuring Server Failover Using X DevAPI with ... When using the X Protocol, Connector/J supports a client-side failover feature for establishing a ...
https://dev.mysql.com/doc/x-devapi-userguide/en/connecting-connection-pool.html
X DevAPI supports connection pooling, which can reduce overhead for applications that open many connections to a MySQL Server. When opening a new Session with a Client, before a new network connection is opened, an attempt is made to retrieve from ...
https://dev.mysql.com/doc/connector-j/en/connector-j-client-side-failover-xdevapi.html
Notice that the server failover feature for X DevAPI only allows for a failover when Connector/J is trying to establish a connection, but not during operations after a connection has already been made. Configuring Server Failover Using X DevAPI with ... When using the X Protocol, Connector/J supports a client-side failover feature for establishing a ...
https://dev.mysql.com/doc/refman/9.7/en/error-lost-connection.html
More rarely, it can happen when the client is attempting the initial connection to the server. It increases by one for each initial connection attempt that the server aborts. Usually it indicates network connectivity trouble and you should check the ...
https://dev.mysql.com/doc/refman/9.7/en/telemetry-metrics-meters.html
Meters can also be configured from the commandline, on server startup, or from a configuration file. For example, to update the frequency of the mysql.inno metrics: mysql>update performance_schema.setup_meters set FREQUENCY='30' where name = ...
https://dev.mysql.com/doc/refman/9.7/en/thread-information.html
To ascertain what your MySQL server is doing, it can be helpful to examine the process list, which indicates the operations currently being performed by the set of threads executing within the server. row *************************** Id: 5 User: ...
https://dev.mysql.com/doc/c-api/9.7/en/mysql-get-server-info.html
const char * mysql_get_server_info(MYSQL *mysql) Description Returns a string that represents the MySQL server version (for example, "9.7.0"). Return Values A character string that represents the MySQL server version.
https://dev.mysql.com/doc/mysql-shell/9.7/en/customize-your-cluster.html
For more information see the documentation of the system variables configured by these AdminAPI options. When you create a cluster and add instances to it, values such as the group name and the local address are configured automatically by AdminAPI. The default values are recommended for most deployments, but advanced users can override the defaults by passing the following options to the dba.createCluster() and Cluster.addInstance() commands: Pass the groupName option to the dba.createCluster() command to customize the name of the replication group created by InnoDB ...
https://dev.mysql.com/doc/heatwave-aws/en/mysql-server-default-privileges.html
Default MySQL Privileges 3.1.2.9 Default MySQL Privileges This section lists the MySQL privileges granted to the MySQL Administrator user on the DB System and those explicitly revoked on the mysql and sys schemas.
https://dev.mysql.com/doc/mysql-router/9.7/en/mysql-router-server-logging.html
Execute log rotation either directly from the system's shell, or from a script that could be called automatically as a scheduled task. The logging feature can be handy for developing and testing your application and deployment of the MySQL Router.