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https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-rotate-log.html
rotate log [{--hosts=|-h }host_list] [site_name] host_list: host[,host[,...]] Rotate mcmd logs for the connected MySQL Cluster Manager agent, for agents running on certain hosts, or for agents on all hosts in a management site.
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-stop-agents.html
When used without any arguments, stop agents stops the agent to which the client is currently connected. Otherwise, MySQL Cluster Manager will be unable to connect to the agent processes on those hosts. stop agents [[--hosts=host_list] site_name] ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-update-process.html
mcmd cannot connect to a mysqld node due to various reasons (for example, there are already too many connections to the node); process status for the node becomes failed, while the PID file continues to exist. update process [--remove-angel] ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-backup-restore-fewer-data-nodes.html
One way to do it is to open a mysql client, connect it to a mysqld node of the cluster, and then source the logical backup file with the mysql client: mysql> source path-to-logical-backup-file/BACKUP-BackupID.mysqld_nodeid.schema.sql See Locations ... Sometimes, you want to transfer data from your cluster to another one that has fewer data nodes—for example, when you want to scale down your cluster or prepare a smaller replica cluster for a replication ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-import-cluster-procedure.html
The importing process consists generally of the steps listed here: Prepare the “wild” cluster for migration. Create and configure in MySQL Cluster Manager a “target” cluster whose configuration matches that of the “wild” cluster.
https://dev.mysql.com/doc/c-api/8.4/en/c-api-asynchronous-function-reference.html
The following table summarizes the functions available for asynchronous interaction with the MySQL server. For greater detail, see the descriptions in Section 7.4, “C API Asynchronous Function Descriptions”.
https://dev.mysql.com/doc/c-api/8.4/en/c-api-binary-log-data-structures.html
C API functions for processing a replication event stream from a server require a connection handler (a MYSQL * pointer) and a pointer to a MYSQL_RPL structure that describes the steam of replication events to read from the server binary log. int ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-introduction.html
(Exceptions are Connector/J and Connector/NET.) This means that, for example, you can take advantage of many of the same environment variables that are used by other client programs because they are referenced from the library. For clients, the size ... The C API provides low-level access to the MySQL client/server protocol and enables C programs to access database ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-prepared-statement-data-structures.html
Prepared statements use several data structures: To obtain a statement handler, pass a MYSQL connection handler to mysql_stmt_init(), which returns a pointer to a MYSQL_STMT data structure. To specify the statement to prepare, pass the MYSQL_STMT ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-bind-param.html
The mysql_reset_connection() and mysql_change_user() functions also clear any currently defined attributes. For connections to older servers that do not support query attributes, no attributes are sent. bool mysql_bind_param(MYSQL *mysql, unsigned ...