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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-keyring-keys-table.html
As of MySQL 8.0.16, the keyring_keys table exposes metadata for keys in the keyring. 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 ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/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/8.0/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/8.0/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/8.0/en/performance-schema-tls-channel-status-table.html
The tls_channel_status table (available as of MySQL 8.0.21) provides information about connection interface TLS properties: mysql> SELECT * FROM performance_schema.tls_channel_status\G *************************** 1. The tls_channel_status table has ... 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/refman/8.0/en/partitioning-range.html
A table that is partitioned by range is partitioned in such a way that each partition contains rows for which the partitioning expression value lies within a given range. While the examples work as shown for purposes of the present discussion, you ...Ranges should be contiguous but not overlapping, and are defined using the VALUES LESS THAN ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-issues.html
Note Every NDB table is implicitly partitioned by key when it is created. In the event of a node failure, errors in replication of NDB tables without primary keys can still occur, due to the possibility of duplicate rows being inserted in such cases. For this reason, it is highly recommended that all NDB tables being replicated have explicit primary ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-table-compression.html
Table compression is enabled using the ROW_FORMAT=COMPRESSED attribute with CREATE TABLE or ALTER TABLE. This section describes InnoDB table compression, which is supported with InnoDB tables that reside in file_per_table tablespaces or general ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-table-replicas.html
The table_replicas table provides information about the copying, distribution, and checkpointing of NDB table fragments and fragment replicas.