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https://dev.mysql.com/doc/refman/8.4/en/replication-asynchronous-connection-failover.html
The asynchronous connection failover mechanism can be used to keep a replica synchronized with multiple MySQL servers or groups of servers that share data. If the new servers are provisioned using MySQL’s clone functionality, this all happens ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/index.html
Abstract This is the user manual for MySQL Enterprise Backup, a commercially licensed backup utility for MySQL databases. It explains the different kinds of backup and restore that can be performed with MySQL Enterprise Backup, and describes the ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/meb-redo-log-archiving.html
mysqlbackup may sometimes fail to keep pace with redo log generation on the backed up server while a backup operation is in progress, resulting in lost redo log records due to those records being overwritten. The MySQL user mysqlbackup uses to ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/mysqlbackup.dfs-san.html
When system administrators attempt to set up MySQL and MySQL Enterprise Backup in an environment that uses a distributed file system (DFS) or a storage access network (SAN), the MySQL server, the server's data directory, MySQL Enterprise Backup, ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/restore.partial.html
The required parameters for connecting to the server (port number, socket name, etc.) are provided as command-line options for mysqlbackup, or are specified in the [client] section of a defaults file. Here are some general requirements for ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-real-connect-dns-srv.html
mysql_real_connect_dns_srv() is similar to mysql_real_connect(), except that the argument list does not specify the particular host of the MySQL server to connect to. For information about DNS SRV support in MySQL, see Connecting to the Server Using ... MYSQL * mysql_real_connect_dns_srv(MYSQL *mysql, const char *dns_srv_name, const char *user, const char *passwd, const char *db, unsigned long client_flag) Description Note mysql_real_connect_dns_srv() is a synchronous ...
https://dev.mysql.com/doc/mysql-router/9.4/en/mysql-router-general-using-developing.html
The only difference when using MySQL Router is how you make connections to the MySQL server. If a MySQL server fails, Router returns the connection error to the application. If this technique or one similar is employed in your application then using ... MySQL Router usage does not require specific libraries or ...For these reasons, the application should be written to ...
https://dev.mysql.com/doc/mysql-router/9.4/en/router-set-trace.html
The following events have the same attributes as mysql/query: mysql/ping mysql/stmt_prepare mysql/stmt_execute mysql/kill mysql/statistics mysql/set_option mysql/reload mysql/list_fields The following events have no attributes: ... MySQL Router ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-issues.html
This message is available in the output of SHOW REPLICA STATUS, and indicates that the SQL thread has stopped due to an incident registered in the replication stream, and that manual intervention is required. If you are replicating from a standalone ...A loss of connection can occur either between the source cluster SQL node and the replica cluster SQL node, or between the source SQL node and the data nodes of the source ...
https://dev.mysql.com/doc/internals/en/implementing-rnd-next-method.html
After the table is initialized, the MySQL server will call the handler's [custom-engine.html#custom-engine-api-reference-rnd_next rnd_next()] method once for every row to be scanned until the server's search condition is satisfied or an end of file ...The *buf parameter must be populated with the contents of the table row in the internal MySQL ...