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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-keyring-keys-table.html
The keyring_keys table does not expose any sensitive keyring data such as key contents. MySQL Server supports a keyring that enables internal server components and plugins to securely store sensitive information for later retrieval. Key metadata ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-ndb-sync-pending-objects-table.html
This table provides information about NDB database objects for which mismatches have been detected and which are waiting to be synchronized between the NDB dictionary and the MySQL data dictionary.
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-group-communication-information-table.html
This table shows group configuration options for the whole replication group. The replication_group_communication_information table has these columns: WRITE_CONCURRENCY The maximum number of consensus instances that the group can execute in ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-group-configuration-version-table.html
This table displays the version of the member actions configuration for replication group members. The replication_group_configuration_version table has these columns: NAME The name of the configuration. Whenever a member action is enabled or ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-group-member-actions-table.html
This table lists the member actions that are included in the member actions configuration for replication group members. The replication_group_member_actions table has these columns: NAME The name of the member action. You can reset the member ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-rwlock-instances-table.html
The rwlock_instances table lists all the rwlock (read write lock) instances seen by the Performance Schema while the server executes. The rwlock_instances table has these columns: NAME The instrument name associated with the lock. The ...An rwlock ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-thread-pool-tables.html
The following sections describe the Performance Schema tables associated with the thread pool plugin (see Section 7.6.3, “MySQL Enterprise Thread Pool”). The Performance Schema thread pool tables are implemented by the thread pool plugin and ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-tls-channel-status-table.html
The tls_channel_status table provides information about connection interface TLS properties: mysql> SELECT * FROM performance_schema.tls_channel_status\G *************************** 1. The tls_channel_status table has these columns: CHANNEL The name ... Connection interface TLS properties are set at server startup, and can be updated at runtime using the ALTER INSTANCE RELOAD TLS ...
https://dev.mysql.com/doc/mysql-ai/9.4/en/mys-ai-rpd-columns-table.html
The rpd_columns table provides column encoding information for columns of tables loaded in the MySQL AI Engine. The rpd_columns table has these columns: TABLE_ID A unique identifier for the table. DATA_PLACEMENT_INDEX The data placement key index ...
https://dev.mysql.com/doc/mysql-ai/9.4/en/mys-ai-rpd-ml-stats-table.html
The rpd_ml_stats table tracks the usage of successful MySQL AI routines. The following AutoML routines are tracked: ML_TRAIN ML_EXPLAIN ML_PREDICT_ROW ML_PREDICT_TABLE ML_EXPLAIN_ROW ML_EXPLAIN_TABLE The following GenAI routines are tracked: ...