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https://dev.mysql.com/doc/refman/8.4/en/group-replication-performance-message-fragmentation.html
By default, large messages are automatically split into fragments that are sent separately and reassembled by the recipients. When an abnormally large message is sent between Group Replication group members, it can result in some group members ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-performance.html
If a group has lost quorum, this may be due to a network partition that divides the group into two parts, or possibly due to the failure of the majority of the servers. Group Replication is designed to create fault-tolerant systems with built-in ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-replication-technologies.html
Before getting into the details of MySQL Group Replication, this section introduces some background concepts and an overview of how things work. This provides some context to help understand what is required for Group Replication and what the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-responses-failure-rejoin.html
After this, manual intervention is needed to bring the member back into the group. The group_replication_autorejoin_tries system variable makes a member that has been expelled or reached its unreachable majority timeout try to rejoin the group ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-restarting-group.html
Group Replication is designed to ensure that the database service is continuously available, even if some of the servers that form the group are currently unable to participate in it due to planned maintenance or unplanned issues. As long as the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-summary.html
These are very powerful properties that translate into very useful abstractions that one can resort to build more advanced database replication solutions. Group Replication is a technique that can be used to implement fault-tolerant systems. A ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-system-variables.html
Messages greater than this size are automatically split into fragments that are sent separately and reassembled by the recipients. This section lists the system variables that are specific to the Group Replication plugin. The name of each Group ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-understanding-consistency-guarantees.html
The events that relate to the consistency of a system can be split into control operations, either manual or automatically triggered by failures; and data flow operations. In terms of distributed consistency guarantees, either in normal or failure ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-use-cases.html
Autonomic Systems - Additionally, you can deploy MySQL Group Replication purely for the automation that is built into the replication protocol (described already in this and previous chapters). Group Replication enables you to create fault-tolerant ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-view-changes.html
This interaction with the donor continues until the server joining the group's applier thread processes the view change log event that corresponds to the view change triggered when the server joining the group came into the group. When Group ...