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https://dev.mysql.com/doc/refman/8.0/en/firewall-reference.html
For information about MySQL Enterprise Firewall Information Schema and Performance Schema tables, see Section 28.7, “INFORMATION_SCHEMA MySQL Enterprise Firewall Tables”, and Section 29.12.17, “Performance Schema Firewall Tables”, ...When ...
https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-usage-differences.html
Use of a data dictionary-enabled MySQL server entails some operational differences compared to a server that does not have a data dictionary: Previously, enabling the innodb_read_only system variable prevented creating and dropping tables only for ...The same principle applies to other table operations that require modifying data dictionary ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-overview.html
For more information about permitted partitioning column types and partitioning functions, see Section 26.2, “Partitioning Types”, as well as Section 15.1.20, “CREATE TABLE Statement”, which provides partitioning syntax descriptions and ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-tp-thread-group-state-table.html
Note As of MySQL 8.0.14, the thread pool INFORMATION_SCHEMA tables are also available as Performance Schema tables. (See Section 29.12.16, “Performance Schema Thread Pool Tables”.) The INFORMATION_SCHEMA tables are deprecated; expect them to be ...Each row provides information about the current state of a ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-tp-thread-group-stats-table.html
Note As of MySQL 8.0.14, the thread pool INFORMATION_SCHEMA tables are also available as Performance Schema tables. (See Section 29.12.16, “Performance Schema Thread Pool Tables”.) The INFORMATION_SCHEMA tables are deprecated; expect them to be ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-stages-history-table.html
The events_stages_history table contains the N most recent stage events that have ended per thread. Stage events are not added to the table until they have ended. When the table contains the maximum number of rows for a given thread, the oldest ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-statements-history-table.html
The events_statements_history table contains the N most recent statement events that have ended per thread. Statement events are not added to the table until they have ended. When the table contains the maximum number of rows for a given thread, ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-transactions-history-table.html
The events_transactions_history table contains the N most recent transaction events that have ended per thread. Transaction events are not added to the table until they have ended. When the table contains the maximum number of rows for a given ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-waits-history-table.html
The events_waits_history table contains the N most recent wait events that have ended per thread. Wait events are not added to the table until they have ended. When the table contains the maximum number of rows for a given thread, the oldest thread ...The Performance Schema autosizes the value of N during server ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-objects-summary-global-by-type-table.html
The Performance Schema maintains the objects_summary_global_by_type table for aggregating object wait events. row *************************** OBJECT_TYPE: TABLE OBJECT_SCHEMA: test OBJECT_NAME: t COUNT_STAR: 3 SUM_TIMER_WAIT: 263126976 ...Example ...