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https://dev.mysql.com/doc/refman/8.4/en/testing-server.html
The following commands provide simple tests to check whether the server is up and responding to connections: $> bin/mysqladmin version $> bin/mysqladmin variables If you cannot connect to the server, specify a -u root option to connect as root.
https://dev.mysql.com/doc/refman/8.4/en/thread-pool.html
The default thread-handling model in MySQL Server executes statements using one thread per client connection. As more clients connect to the server and execute statements, overall performance degrades. The plugin implements a thread pool that ...
https://dev.mysql.com/doc/refman/8.4/en/unix-signal-response.html
This is like executing a SHUTDOWN statement without having to connect to the server (which for shutdown requires an account that has the SHUTDOWN privilege). Sending the signal enables the flush operations to be performed without having to connect ... On Unix and Unix-like systems, a process can be the recipient of signals sent to it by the root system account or the system account that owns the ...
https://dev.mysql.com/doc/refman/8.4/en/using-system-variables.html
(See Section 6.2.2, “Specifying Program Options”.) The server also maintains a set of session variables for each client that connects. The client's session variables are initialized at connect time using the current values of the corresponding ... The MySQL server maintains many system variables that configure its ...
https://dev.mysql.com/doc/refman/8.4/en/workbench.html
MySQL Workbench may connect to MySQL Server 8.4 and higher but some MySQL Workbench features may not function with those newer server versions. MySQL Workbench provides five main areas of functionality: SQL Development: Enables you to create and ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-create-certs.html
create certs [--ca|--keys] [--added] cluster_name The command creates all certificate authorities (CAs), keys, and certificate files needed for a cluster to use TLS connections on all hosts in the site. The host with the client connection runs ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-show-status.html
When no option is used, show status reports runtime information from the mcmd to which the client is connected. connected The ndbapi or mysqld process is connected to the cluster. show status show status --cluster|-c cluster_name show status ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-start-stop-agent-windows.html
You should grant permission to connect to private networks for any of the programs mcmd.exe, ndb_mgmd.exe, ndbd.exe, ndbmtd.exe, or mysqld.exe. To start the MySQL Cluster Manager agent manually on a Windows host, you should invoke mcmd.exe, found ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-what-is-new.html
See Section 4.11, “Using TLS Connections for NDB Clusters” for details. Encrypted connections for agents and clients are now supported by MySQL Cluster Manager. See Section 4.10, “Using Encrypted Connections for MySQL Cluster Manager Agents ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-get-ssl-cipher.html
const char * mysql_get_ssl_cipher(MYSQL *mysql) Description mysql_get_ssl_cipher() returns the encryption cipher used for the given connection to the server. Return Values A string naming the encryption cipher used for the connection, or NULL if ...