https://dev.mysql.com/group-replication-plugin-architecture.html
In one direction, from server to the plugin, there are notifications for events such as the server starting, the server recovering, the server being ready to accept connections, and the server being about to commit a transaction. MySQL Group ...
https://dev.mysql.com/group-replication-replication-group-member-stats.html
To use this table to monitor a Group Replication member, issue: mysql> SELECT * FROM performance_schema.replication_group_member_stats\G These fields are important for monitoring the performance of the members connected in the group. Each member in ...
https://dev.mysql.com/group-replication-replication-group-members.html
The performance_schema.replication_group_members table is used for monitoring the status of the different server instances that are members of the group. The information in the table is updated whenever there is a view change, for example when the ...
https://dev.mysql.com/group-replication-requirements.html
Server instances that you want to use for Group Replication must satisfy the following requirements. Transactions are executed optimistically and then, at commit time, are checked for conflicts. If there are conflicts, in order to maintain ...
https://dev.mysql.com/group-replication-security.html
This section explains how to secure a group, securing the connections between members of a group, or by establishing a security perimeter using IP address whitelisting.
https://dev.mysql.com/group-replication-server-states.html
Table 18.1 Server State Field Description Group Synchronized ONLINE The member is ready to serve as a fully functional group member, meaning that the client can connect and start executing transactions. No UNREACHABLE Whenever the local failure ...
https://dev.mysql.com/group-replication-use-cases.html
It is important to understand that although the database service is available, in the event of a server crash, those clients connected to it must be redirected, or failed over, to a different server. A connector, load balancer, router, or some form ... Group Replication enables you to create fault-tolerant systems with redundancy by replicating the system state to a set of ...
https://dev.mysql.com/history.html
We started out with the intention of using the mSQL database system to connect to our tables using our own fast low-level (ISAM) routines. However, after some testing, we came to the conclusion that mSQL was not fast enough or flexible enough for ...
https://dev.mysql.com/index-statistics.html
Setting the session value affects statistics collection only for the current client connection. Storage engines collect statistics about tables for use by the optimizer. Table statistics are based on value groups, where a value group is a set of ...
https://dev.mysql.com/information-schema-introduction.html
INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access privileges. Other terms that are sometimes used for this information are data ...
