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https://dev.mysql.com/doc/refman/8.4/en/group-replication-secure-user.html
To secure the user credentials, you can require SSL for connections with the user account, and provide the user credentials when Group Replication is started, rather than storing them in the replica status tables. Important When using the MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/kill.html
KILL [CONNECTION | QUERY] processlist_id Each connection to mysqld runs in a separate thread. The value for the current thread is returned by the CONNECTION_ID() function. KILL permits an optional CONNECTION or QUERY modifier: KILL CONNECTION is ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-config-starting.html
# SQL NODE / API NODE PARAMETERS [mysqld] # HostName=sql-node-A-hostname # NodeId=sql-node-A-nodeid [mysqld] [mysqld] # Each API or SQL node that connects to the cluster requires a [mysqld] # or [api] section of its own. Each such section defines a ...Changes in configuration are also likely to be indicated when changes are made in the platform on which the cluster is run, or in applications that use the NDB Cluster 's ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-log-startup-messages.html
Possible startup messages with descriptions are provided in the following list: Initial start, waiting for %s to connect, nodes [ all: %s connected: %s no-wait: %s ] Waiting until nodes: %s connects, nodes [ all: %s connected: %s no-wait: %s ] ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-transporter-details.html
type The connection type used by this transporter (TCP or SHM). This table contains information about individual NDB transporters, rather than aggregate information as shown by the transporters table. sendbuffer_used_bytes The amount, in bytes, of ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-add-node-example.html
Disconnecting to allow Management Server to shutdown $> Because shutting down the management server causes the management client to terminate, you must start the management server from the system shell. This should be similar to what is shown here, ... In this section we provide a detailed example illustrating how to add new NDB Cluster data nodes online, starting with an NDB Cluster having 2 data nodes in a single node group and concluding with a cluster having 4 data nodes in 2 node ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-auto-sync.html
It is possible to automate much of the process described in the previous section (see Section 25.7.9, “NDB Cluster Backups With NDB Cluster Replication”). The following Perl script reset-replica.pl serves as an example of how you can do this.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-start-phases.html
Initialization consists of the following steps: Obtain a node ID Fetch configuration data Allocate ports to be used for inter-node communications Allocate memory according to settings obtained from the configuration file When a data node or SQL node ... This section provides a simplified outline of the steps involved when NDB Cluster data nodes are ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlbinlog-server-id.html
When invoked with the --read-from-remote-server option, mysqlbinlog connects to a MySQL server, specifies a server ID to identify itself, and requests binary log files from the server. You can use mysqlbinlog to request log files from a server in ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-tables.html
The following Performance Schema replication tables continue to be populated when the Performance Schema is disabled: replication_connection_configuration replication_connection_status replication_asynchronous_connection_failover ...This is similar ...