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https://dev.mysql.com/doc/refman/8.0/en/group-replication-monitoring.html
Other events are logged only on the member where they take place, such as super read only mode being enabled or disabled on the member, or the member leaving the group. You can use the MySQL Performance Schema to monitor Group Replication. These ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-responses-failure-rejoin.html
During and between auto-rejoin attempts, a member remains in super read only mode and displays an ERROR state on its view of the replication group. The group_replication_autorejoin_tries system variable, which is available from MySQL 8.0.16, makes ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-responses-failure.html
When an expelled member is not trying to rejoin the group, it switches to super read only mode and awaits operator attention. Group Replication's failure detection mechanism is designed to identify group members that are no longer communicating ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-secure-socket-layer-support-ssl.html
The Group Replication system variable group_replication_ssl_mode is used to activate the use of SSL for group communication connections and specify the security mode for the connections. This variable has the following possible values: Table 20.1 ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-user-credentials.html
CONNECTION_ADMIN, which ensures that Group Replication connections are not terminated if one of the servers involved is placed in offline mode. Group Replication uses a distributed recovery process to synchronize group members when joining them to ...
https://dev.mysql.com/doc/refman/8.0/en/gtid-functions.html
timeout must be greater than or equal to 0; when running in strict SQL mode, a negative timeout value is immediately rejected with an error (ER_WRONG_ARGUMENTS); otherwise the function returns NULL, and raises a warning. gtid_mode cannot be changed ... The functions described in this section are used with GTID-based ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-temporary-tablespace.html
$> cd BASEDIR/data/#innodb_temp $> ls temp_10.ibt temp_2.ibt temp_4.ibt temp_6.ibt temp_8.ibt temp_1.ibt temp_3.ibt temp_5.ibt temp_7.ibt temp_9.ibt In statement based replication (SBR) mode, temporary tables created on a replica reside in a single ... InnoDB uses session temporary tablespaces and a global temporary ...
https://dev.mysql.com/doc/refman/8.0/en/invoking-programs.html
Options typically indicate the type of connection a program should make to the server or affect its operational mode. To invoke a MySQL program from the command line (that is, from your shell or command prompt), enter the program name followed by ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-component-installation.html
The database administrator has the responsibility for creating any manifest files to be used, and for ensuring that their access mode and contents are correct. Keyring service consumers require that a keyring component or plugin be installed: To ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-encrypted-file-component.html
Any configuration file that stores a password should have a restrictive mode and be accessible only to the account used to run the MySQL server. Note component_keyring_encrypted_file is an extension included in MySQL Enterprise Edition, a ...