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https://dev.mysql.com/doc/refman/9.7/en/group-replication-gtids.html
Group Replication uses GTIDs (global transaction identifiers) to track exactly which transactions have been committed on every server instance. The settings gtid_mode=ON and enforce_gtid_consistency=ON are required on all group members. Incoming ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-online-upgrade-combining-versions.html
Group Replication is versioned according to the MySQL Server version that the Group Replication plugin was bundled with. For example, if a member is running MySQL 9.7.2 then that is the version of the Group Replication plugin. For optimal ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-online-upgrade-considerations.html
When upgrading an online group you should consider the following points: Regardless of the way which you upgrade your group, it is important to disable any writes to group members until they are ready to rejoin the group. When a member is stopped, ...
https://dev.mysql.com/doc/refman/9.7/en/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/doc/refman/9.7/en/group-replication-responses-failure.html
Group Replication's failure detection mechanism is designed to identify group members that are no longer communicating with the group, and expel them as and when it seems likely that they have failed. Having a failure detection mechanism increases ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/group-replication-use-cases.html
Group Replication enables you to create fault-tolerant systems with redundancy by replicating the system state to a set of servers. Even if some of the servers subsequently fail, as long it is not all or a majority, the system is still available.
https://dev.mysql.com/doc/refman/9.7/en/group-replication.html
This chapter explains Group Replication in MySQL 9.7, and how to install, configure and monitor groups. MySQL Group Replication enables you to create elastic, highly-available, fault-tolerant replication topologies. Groups can operate in a ...
https://dev.mysql.com/doc/refman/9.7/en/information-functions.html
It may be used to time how quickly MySQL processes the expression. The result value is 0, or NULL for inappropriate arguments such as a NULL or negative repeat count. The intended use is from within the mysql client, which reports query execution ...
https://dev.mysql.com/doc/refman/9.7/en/information-schema-innodb-buffer-pool-stats-table.html
The INNODB_BUFFER_POOL_STATS table provides much of the same buffer pool information provided in SHOW ENGINE INNODB STATUS output. Much of the same information may also be obtained using InnoDB buffer pool server status variables. The idea of ...