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https://dev.mysql.com/doc/mysql-monitor/8.0/en/mysql-process-discovery-advisor-ref.html
The MySQL Process Discovery Advisor enables you to find and, optionally, establish a connection with unmonitored MySQL instances. If you choose not to attempt a connection with the discovered instances, they are listed in the Unmonitored MySQL ...
https://dev.mysql.com/doc/connector-j/en/connector-j-support-bug-report.html
The most common errors made in bug reports are (a) not including the version number of Connector/J or MySQL used, and (b) not fully describing the platform on which Connector/J is installed (including the JVM version, and the platform type and ...
https://dev.mysql.com/doc/refman/8.4/en/binary-log-transaction-compression.html
You can enable connection compression at the protocol level for replication connections, using the SOURCE_COMPRESSION_ALGORITHMS and SOURCE_ZSTD_COMPRESSION_LEVEL options of the CHANGE REPLICATION SOURCE TO statement, or the ... MySQL supports ...
https://dev.mysql.com/doc/refman/8.4/en/docker-mysql-more-topics.html
For example: docker run --name=mysql1 --network=my-custom-net -d container-registry.oracle.com/mysql/community-server docker run --name=myapp1 --network=my-custom-net -d myapp The myapp1 container can then connect to the mysql1 container with the ...
https://dev.mysql.com/doc/refman/8.4/en/explain.html
When EXPLAIN is used with FOR CONNECTION connection_id rather than an explainable statement, it displays the execution plan for the statement executing in the named connection. See Section 10.8.4, “Obtaining Execution Plan Information for a Named ...In practice, the DESCRIBE keyword is more often used to obtain information about table structure, whereas EXPLAIN is used to obtain a query execution plan (that is, an explanation of how MySQL would execute a ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-mysql-cluster.html
Do I need any special networking to run NDB Cluster? How do computers in a cluster communicate? NDB Cluster is intended to be used in a high-bandwidth environment, with computers connecting using TCP/IP. Its performance depends directly upon the ...
https://dev.mysql.com/doc/refman/8.4/en/grant.html
(Alternatively, if you have the UPDATE privilege for the grant tables in the mysql system schema, you can grant any account any privilege.) When the read_only system variable is enabled, GRANT additionally requires the CONNECTION_ADMIN privilege (or ...[WITH GRANT OPTION] [AS user [WITH ROLE DEFAULT | NONE | ALL | ALL EXCEPT role [, role ] ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-basics.html
An SQL node is a mysqld process started with the --ndbcluster and --ndb-connectstring options, which are explained elsewhere in this chapter, possibly with additional MySQL server options as well. MySQL clients using an NDB Cluster as a data source ... NDBCLUSTER (also known as NDB) is an in-memory storage engine offering high-availability and data-persistence ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-logs-cluster-log.html
Table 25.25 Common NDB cluster log messages Log Message Description Event Name Event Type Priority Severity Node mgm_node_id: Node data_node_id Connected The data node having node ID node_id has connected to the management server (node mgm_node_id).
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-mysqld.html
The mysqld parameter ndb-connectstring is used to specify the connection string either on the command line when starting mysqld or in my.cnf. The connection string contains the host name or IP address where the management server can be found, as ...