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https://dev.mysql.com/doc/refman/8.4/en/replication-rules-channel-based-filters.html
Important On a MySQL server instance that is configured for Group Replication, channel specific replication filters can be used on replication channels that are not directly involved with Group Replication, such as where a group member also acts as ... This section explains how to work with replication filters when multiple replication channels exist, for example in a multi-source replication ...
https://dev.mysql.com/doc/refman/8.4/en/reset-replica.html
To use RESET REPLICA on a Group Replication group member, the member status must be OFFLINE, meaning that the plugin is loaded but the member does not currently belong to any group. A group member can be taken offline by using a STOP GROUP ... RESET ...
https://dev.mysql.com/doc/refman/8.4/en/selinux-context-mysql-feature-ports.html
setsebool -P mysql_connect_any=ON Setting the TCP Port Context for Group Replication If SELinux is enabled, you must set the port context for the Group Replication communication port, which is defined by the group_replication_local_address variable.
https://dev.mysql.com/doc/refman/8.4/en/thread-pool-information-schema-tables.html
They provide information about thread pool operation: TP_THREAD_GROUP_STATE: Information about thread pool thread group states TP_THREAD_GROUP_STATS: Thread group statistics TP_THREAD_STATE: Information about thread pool thread states Rows in these ... Note The INFORMATION_SCHEMA thread pool tables are deprecated, and subject to removal in a future version of ...
https://dev.mysql.com/doc/refman/8.4/en/version-tokens-usage.html
An administrative or management application that communicates with the servers and organizes them into high-availability groups. Groups serve different purposes, and servers within each group may have different assignments. Assignment of a server ...
https://dev.mysql.com/doc/refman/8.4/en/where-optimization.html
HAVING is merged with WHERE if you do not use GROUP BY or aggregate functions (COUNT(), MIN(), and so on). If all columns in ORDER BY and GROUP BY clauses come from the same table, that table is preferred first when joining. If there is an ORDER BY ... This section discusses optimizations that can be made for processing WHERE ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/config-file-parameters.html
In general, mysqlbackup follows the mysql style of processing configuration options: [mysqlbackup] and [client] group options listed in a configuration file are passed as command-line options. The parameters are read first under the [mysqlbackup] ...
https://dev.mysql.com/doc/mysql-installer/en/server-type-network.html
The group must be established on Windows before you can select it from the list. Windows requires a newly added member to first log out and then log in again to join a local group. Server Configuration Type Choose the MySQL server configuration ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-application-error.html
The following list enumerates all NDB errors of type AE (Application error). Having a table without primary key uses an autoincremented hidden key, i.e. NDB error code 5002 MySQL error DMEC Error message The process has wrong type. NDB error code ...
https://dev.mysql.com/doc/ndbapi/en/ndb-table.html
Table::getFragmentData() Description This method gets the table's fragment data (ID, state, and node group). This section provides information about the Table class, which models a database table in the NDB API. This class extends the Object class, ...