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https://dev.mysql.com/doc/refman/8.4/en/group-replication-bootstrap.html
The same reasoning applies to stopping and restarting the plugin with this option set to ON. The process of starting a group for the first time is called bootstrapping. The bootstrap should only be done by a single server, the one that starts the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-configuring-consistency-guarantees.html
Although the Transaction Synchronization Points section explains that conceptually there are two synchronization points from which you can choose: on read or on write, these terms were a simplification and the terms used in Group Replication are: ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-deploying-in-single-primary-mode.html
Figure 20.7 Group Architecture This tutorial explains how to get and deploy MySQL Server with the Group Replication plugin, how to configure each server instance before creating a group, and how to use Performance Schema monitoring to verify that ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-frequently-asked-questions.html
What is the maximum number of MySQL servers in a group? A group can consist of maximum 9 servers. Attempting to add another server to a group with 9 members causes the request to join to be refused. This limit has been identified from testing and ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-ip-address-permissions.html
When and only when the XCom communication stack is used for establishing group communications (group_replication_communication_stack=XCOM), the Group Replication plugin lets you specify an allowlist of hosts from which an incoming Group ...If you ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-monitoring.html
Replication channels created by the Group Replication plugin are listed here: group_replication_recovery: Used for replication changes related to distributed recovery. You can use the MySQL Performance Schema to monitor Group Replication. These ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-multi-primary-mode.html
(In a group that is running in single-primary mode, new members default to read-only in any case.) Members take into account the major.minor.release version of the MySQL software (and thus, of the Group Replication plugin) when checking their ... In ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-observability.html
There is a lot of automation built into the Group Replication plugin. Nonetheless, you might sometimes need to understand what is happening behind the scenes. This is where the instrumentation of Group Replication and Performance Schema becomes ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-options.html
The next two sections contain information about MySQL server system and server status variables which are specific to the Group Replication plugin.
https://dev.mysql.com/doc/refman/8.4/en/group-replication-performance-message-fragmentation.html
As with most other Group Replication system variables, you must restart the Group Replication plugin for the change to take effect. When an abnormally large message is sent between Group Replication group members, it can result in some group ...