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https://dev.mysql.com/doc/refman/8.0/en/group-replication-monitoring.html
You can use the MySQL Performance Schema to monitor Group Replication. These Performance Schema tables display information specific to Group Replication: replication_group_member_stats: See Section 20.4.4, “The replication_group_member_stats ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-performance.html
Group Replication is designed to create fault-tolerant systems with built-in failure detection and automated recovery. If a member server instance leaves voluntarily or stops communicating with the group, the remaining members agree a ...This might ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-functions-for-communication-protocol.html
The following functions enable you to inspect and configure the Group Replication communication protocol version that is used by a replication group. Versions from MySQL 8.0.27 also allow the group communication engine to operate with a single ...
https://dev.mysql.com/doc/refman/8.0/en/set-resource-group.html
SET RESOURCE GROUP group_name [FOR thread_id [, thread_id] ...] SET RESOURCE GROUP is used for resource group management (see Section 7.1.16, “Resource Groups”). If the resource group or any named thread ID does not exist, an error occurs. With ...Thread IDs can be determined from the Performance Schema threads ...
https://dev.mysql.com/doc/refman/8.0/en/drop-resource-group.html
DROP RESOURCE GROUP group_name [FORCE] DROP RESOURCE GROUP is used for resource group management (see Section 7.1.16, “Resource Groups”). The FORCE modifier determines statement behavior if the resource group has any threads assigned to it: If ...
https://dev.mysql.com/doc/refman/8.0/en/create-logfile-group.html
CREATE LOGFILE GROUP logfile_group ADD UNDOFILE 'undo_file' [INITIAL_SIZE [=] initial_size] [UNDO_BUFFER_SIZE [=] undo_buffer_size] [REDO_BUFFER_SIZE [=] redo_buffer_size] [NODEGROUP [=] nodegroup_id] [WAIT] [COMMENT [=] 'string'] ENGINE [=] ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-background.html
Moreover, as servers are cooperating together to create the group several other classic distributed systems problems have to be dealt with, such as network partitioning or split brain scenarios. MySQL Group Replication provides distributed state ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-deploying-locally.html
The most common way to deploy Group Replication is using multiple server instances, to provide high availability. It is also possible to deploy Group Replication locally, for example for testing purposes. Important Group Replication is usually ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-summary.html
Group Replication is a technique that can be used to implement fault-tolerant systems. A replication group is a set of servers, each of which has a complete copy of the data (a shared-nothing replication scheme), which interact with each other ...
https://dev.mysql.com/doc/refman/8.0/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. Depending on the number of servers which fail the group might have degraded performance or scalability, but it is ...