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https://dev.mysql.com/doc/refman/5.7/en/stop-group-replication.html
As soon as you issue STOP GROUP_REPLICATION the member is set to super_read_only=ON, which ensures that no writes can be made to the member while Group Replication stops. Warning Use this statement with extreme caution because it removes the server ...Any other replication channels running on the member are also ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-primary-secondary-replication.html
Traditional MySQL Replication provides a simple Primary-Secondary approach to replication. There is a primary (source) and there are one or more secondaries (replicas). The primary executes transactions, commits them and then they are later (thus ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump-delimited-text.html
This section describes how to use mysqldump to create delimited-text dump files. For information about reloading such dump files, see Section 7.4.4, “Reloading Delimited-Text Format Backups”. If you invoke mysqldump with the --tab=dir_name ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-recovering-from-a-point-in-time.html
To synchronize the server joining the group with the donor up to a specific point in time, the server joining the group and donor make use of the MySQL Global Transaction Identifiers (GTIDs) mechanism. However, GTIDS only provide a means to realize ...View and View Changes To explain the concept of view change markers, it is important to understand what a view and a view change ...
https://dev.mysql.com/doc/refman/5.7/en/group-by-functional-dependence.html
The following discussion provides several examples of the ways in which MySQL detects functional dependencies. The examples use this notation: {X} -> {Y} Understand this as “X uniquely determines Y,” which also means that Y is functionally ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-group-members-table.html
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 should not be confused with the member's internal group communication address ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-group-member-stats-table.html
This table shows statistical information for MySQL Group Replication members. The replication_group_member_stats table has these columns: CHANNEL_NAME Name of the Group Replication channel. This has a different value for each member in the group.
https://dev.mysql.com/doc/refman/5.7/en/group-replication-distributed-recovery.html
This section describes the process through which a member joining a group catches up with the remaining servers in the group, called distributed recovery. Distributed recovery can be summarized as the process through which a server gets missing ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-examples-of-use-case-scenarios.html
The following examples are typical use cases for Group Replication. Use MySQL Group Replication to implement highly available shards, where each shard maps to a replication group. Writing to an entire group may prove more scalable under certain ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-fault-tolerance.html
MySQL Group Replication builds on an implementation of the Paxos distributed algorithm to provide distributed coordination between servers. In practice this means that to tolerate one failure the group must have three servers in it. However, if a ...As such, it requires a majority of servers to be active to reach quorum and thus make a ...