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https://dev.mysql.com/doc/internals/en/required-server-code-patches.html
Currently procedures can only be compiled into the server staticly. There is no dynamic procedure for loading them dynamicly yet like we have for UDFs and plugins. The build system is not too clever about creating these symlinks for files added ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-mgm-definition.html
(NDB 8.4.0) This is the port number on which the management server listens for configuration requests and management commands. A management server that requests “any” node ID cannot use this one. Normally, the management server should be ... The ...[mgm] and [mgm default] are older aliases for these, supported for backward ...
https://dev.mysql.com/doc/refman/8.4/en/features.html
We use MySQL Server with databases that contain 50 million records. We also know of users who use MySQL Server with 200,000 tables and about 5,000,000,000 rows. Connectivity Clients can connect to MySQL Server using several protocols: Clients can ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-replication.html
In the following section, we provide answers to questions that are most frequently asked about MySQL Replication. What issues should I be aware of when setting up two-way replication? MySQL replication currently does not support any locking ...When ...Must the replica be connected to the source all the time? ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-redo-log.html
During normal operations, the redo log encodes requests to change table data that result from SQL statements or low-level API calls. The Innodb_redo_log_capacity_resized server status variable indicates the total redo log capacity for all redo log ...The following example shows the redo log files in an #innodb_redo directory, where there are 21 active redo log files and 11 spare redo log files, numbered ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-ip-address-permissions.html
For example: mysql> SET GLOBAL group_replication_ip_allowlist="192.0.2.21/24,198.51.100.44,203.0.113.0/24,2001:db8:85a3:8d3:1319:8a2e:370:7348,example.org,www.example.com/24"; To join a replication group, a server needs to be permitted on the seed ...This address is not the same as the MySQL server SQL protocol host and port, and is not specified in the bind_address system variable for the server ...If you specify an allowlist on a server s1, then when server s2 ... When and only when the XCom communication stack is used for ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema.html
The MySQL Performance Schema is a feature for monitoring MySQL Server execution at a low level. Performance Schema events are specific to a given instance of the MySQL Server. The Performance Schema has these characteristics: The Performance Schema ...It is implemented using the PERFORMANCE_SCHEMA storage engine and the performance_schema ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-6.html
(Bug #38042758) MySQL Server now supports CMake 4, ensuring compatibility with future CMake versions where support for versions prior to 3.10 is expected to be discontinued. (Bug #34776172) Configuration Notes Microsoft Windows: An in-place upgrade ... Note These release notes were created with the assistance of MySQL HeatWave ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-ipv6.html
To use IPv6 addresses, the operating system on the server host and the MySQL Server instance must both be configured to support IPv6. The address or host name specified as the Group Replication local address is not the same as the MySQL server SQL ...For instructions to set up IPv6 support for a server instance, see Section 7.1.13, “IPv6 ... Group Replication group members ...
https://dev.mysql.com/doc/refman/8.4/en/clone-plugin-installation.html
For remote cloning operations, the clone plugin must be installed on the donor and recipient MySQL server instances. To be usable by the server, the plugin library file must be located in the MySQL plugin directory (the directory named by the ...If ... This section describes how to install and configure the clone ...