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https://dev.mysql.com/doc/refman/8.4/en/loadable-function-reference.html
For a table listing built-in functions and operators, see Section 14.1, “Built-In Function and Operator Reference” For general information about loadable functions, see Section 7.7, “MySQL Server Loadable Functions”. The following table ...
https://dev.mysql.com/doc/refman/8.4/en/locking-service.html
As a C language interface, callable as a plugin service from server plugins or loadable functions. Locking Service Monitoring The locking service is implemented using the MySQL Server metadata locks framework, so you monitor locking service locks ...
https://dev.mysql.com/doc/refman/8.4/en/myisam-crash-recovery.html
If the server is run with external locking enabled, you can use myisamchk to check tables at any time. In this case, if the server tries to update a table that myisamchk is using, the server waits for myisamchk to finish before it continues. If you ... This section describes how to check for and deal with data corruption in MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-linux-binary.html
Set the necessary permissions for the MySQL server and data directories: $> chown -R root . Only the NDB Cluster management server (ndb_mgmd) is required; you most likely want to install the management client (ndb_mgm) as well. This section covers ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-logging-management-commands.html
This means that, in an NDB Cluster with multiple management servers, using a CLUSTERLOG command in an instance of ndb_mgm connected to one management server affects only logs generated by that management server but not by any of the others. This ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-mgm-client-commands.html
CONNECT connection-string Connects to the management server indicated by the connection string. If the client is already connected to this server, the client reconnects. ENTER SINGLE USER MODE node_id Enters single user mode, whereby only the MySQL ... In addition to the central configuration file, a cluster may also be controlled through a command-line interface available through the management client ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-params-api.html
For a discussion of MySQL server options for NDB Cluster, see Section 25.4.3.9.1, “MySQL Server Options for NDB Cluster”. For information about MySQL server system variables relating to NDB Cluster, see Section 25.4.3.9.2, “NDB Cluster System ... The listing in this section provides information about parameters used in the [mysqld] and [api] sections of a config.ini file for configuring NDB Cluster SQL nodes and API ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-params-mgmd.html
For detailed descriptions and other additional information about each of these parameters, see Section 25.4.3.5, “Defining an NDB Cluster Management Server”. PortNumber: Port number to send commands to and fetch configuration from management ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-transaction-management.html
To optimize InnoDB transaction processing, find the ideal balance between the performance overhead of transactional features and the workload of your server. The default MySQL setting AUTOCOMMIT=1 can impose performance limitations on a busy ...For ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-host-cache-table.html
The MySQL server maintains an in-memory host cache that contains client host name and IP address information and is used to avoid Domain Name System (DNS) lookups. The host_cache table has these columns: IP The IP address of the client that ...The ...