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https://dev.mysql.com/doc/refman/8.4/en/group-replication-probes-and-statistics.html
Such probes are scattered throughout the plugin stack and allow one to establish metrics, such as: the certifier queue size; the replication applier queue size; the total number of transactions certified; the total number of remote transactions ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-replication-group-member-stats.html
This information can also help you to decide how to adjust the flow control of the Group Replication plugin, see Section 20.7.2, “Flow Control”. Each member in a replication group certifies and applies transactions received by the group.
https://dev.mysql.com/doc/refman/8.4/en/group-replication-responses-failure-rejoin.html
With auto-rejoin, when the member's expulsion or unreachable majority timeout is reached, it makes an attempt to rejoin (using the current plugin option values), then continues to make further auto-rejoin attempts up to the specified number of tries. 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-server-states.html
OFFLINE The Group Replication plugin is loaded but the member does not belong to any group. The state of a Group Replication group member shows its current role in the group. The Performance Schema table replication_group_members shows the state ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-user-credentials.html
If the replication user for distributed recovery uses the caching SHA-2 authentication plugin, and you are not using SSL for distributed recovery connections, RSA key-pairs are used for password exchange. Group Replication uses a distributed ...
https://dev.mysql.com/doc/refman/8.4/en/identifier-case-sensitivity.html
That is true for names of cursors, conditions, procedures, functions, savepoints, stored routine parameters, stored program local variables, and plugins. In MySQL, databases correspond to directories within the data directory. Each table within a ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-information-schema-files-table.html
The Information Schema FILES table provides metadata about all InnoDB tablespace types including file-per-table tablespaces, general tablespaces, the system tablespace, temporary table tablespaces, and undo tablespaces (if present). For more ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-read-only-instance.html
For example, CREATE USER, GRANT, REVOKE, and INSTALL PLUGIN operations are not permitted in read-only mode. You can query InnoDB tables where the MySQL data directory is on read-only media by enabling the --innodb-read-only configuration option at ...
https://dev.mysql.com/doc/refman/8.4/en/installing-development-tree.html
This section describes how to install MySQL from the latest development source code, which is hosted on GitHub. To obtain the MySQL Server source code from this repository hosting service, you can set up a local MySQL Git repository. On GitHub, ...
https://dev.mysql.com/doc/refman/8.4/en/linux-installation-native.html
Many Linux distributions include a version of the MySQL server, client tools, and development components in their native software repositories and can be installed with the platforms' standard package management systems. This section provides basic ...