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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-group-members-table.html
OFFLINE: The group replication plugin is installed but has not been started. This table shows network and status information for replication group members. The network addresses shown are the addresses used to connect clients to the group, and ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-startup-configuration.html
It is possible that a plugin installed later may create the instrument, at which time the name is recognized and configured. To use the MySQL Performance Schema, it must be enabled at server startup to enable event collection to occur. To enable or ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-threads-table.html
This is typical for user sessions when the thread pool plugin is used (see Section 7.6.3, “MySQL Enterprise Thread Pool”). The threads table contains a row for each server thread. Each row contains information about a thread and indicates ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-tp-connections-table.html
The tp_connections table contains one row per connection managed by the Thread Pool plugin. Each row provides information about the current state of a thread pool connection. The tp_connections table contains the following rows: CONNECTION_ID The ...
https://dev.mysql.com/doc/refman/8.4/en/replication-howto-additionalslaves.html
As an alternative to creating a new replica in this way, MySQL Server's clone plugin can be used to transfer all the data and replication settings from an existing replica to a clone. You can add another replica to an existing replication ...
https://dev.mysql.com/doc/refman/8.4/en/replication-howto-slaveinit.html
To set up the replica to communicate with the source for replication, configure the replica with the necessary connection information. To do this, on the replica, execute the following CHANGE REPLICATION SOURCE TO statement, replacing the option ...
https://dev.mysql.com/doc/refman/8.4/en/replication-multi-source-configuration.html
A multi-source replication topology requires at least two sources and one replica configured. In these tutorials, we assume that you have two sources source1 and source2, and a replica replicahost. The replica replicates one database from each of ...
https://dev.mysql.com/doc/refman/8.4/en/replication-semisync.html
In addition to the built-in asynchronous replication, MySQL 8.4 supports an interface to semisynchronous replication that is implemented by plugins. You can improve the performance of semisynchronous replication by enabling the system variables ...
https://dev.mysql.com/doc/refman/8.4/en/replication-snapshot-method.html
Use MySQL Server's clone plugin to transfer all the data from an existing replica to a clone. If the source database contains existing data it is necessary to copy this data to each replica. There are different ways to dump the data from the source ...
https://dev.mysql.com/doc/refman/8.4/en/reserved-accounts.html
One part of the MySQL installation process is data directory initialization (see Section 2.9.1, “Initializing the Data Directory”). During data directory initialization, MySQL creates user accounts that should be considered reserved: ...