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https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-table-reference.html
The following table summarizes INFORMATION_SCHEMA InnoDB tables. For greater detail, see the individual table descriptions. Table 28.3 INFORMATION_SCHEMA InnoDB Tables Table Name Description Introduced INNODB_BUFFER_PAGE Pages in InnoDB buffer pool ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-tablestats-table.html
CLUST_INDEX_SIZE The number of pages on disk that store the clustered index, which holds the InnoDB table data in primary key order. The INNODB_TABLESTATS table provides a view of low-level status information about InnoDB tables. This data is used ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-introduction.html
INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access privileges. Other terms that are sometimes used for this information are data ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-table-reference.html
The following table summarizes all available INFORMATION_SCHEMA tables. For greater detail, see the individual table descriptions. Table 28.1 INFORMATION_SCHEMA Tables Table Name Description Introduced Deprecated ADMINISTRABLE_ROLE_AUTHORIZATIONS ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-benefits.html
It is very fast to reference the primary key columns in WHERE clauses, ORDER BY clauses, GROUP BY clauses, and join operations. InnoDB tables have the following benefits: If the server unexpectedly exits because of a hardware or software issue, ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-deadlocks-handling.html
When modifying multiple tables within a transaction, or different sets of rows in the same table, do those operations in a consistent order each time. This section builds on the conceptual information about deadlocks in Section 17.7.5.2, ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-examples.html
SELECT THREAD_ID, SQL_TEXT FROM performance_schema.events_statements_history WHERE THREAD_ID = 28 ORDER BY EVENT_ID; Correlating InnoDB Transactions with MySQL Sessions Sometimes it is useful to correlate internal InnoDB locking information with the ... Note This section describes locking information as exposed by the Performance Schema data_locks and data_lock_waits tables, which supersede the INFORMATION_SCHEMA INNODB_LOCKS and INNODB_LOCK_WAITS tables in MySQL ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/innodb-information-schema-metrics-table.html
The INNODB_METRICS table provides information about InnoDB performance and resource-related counters. SET GLOBAL innodb_monitor_disable = [counter-name|module_name|pattern|all]; innodb_monitor_reset: Resets counter values to zero. SET GLOBAL ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-system-tables.html
You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA tables. Traditionally, you would get this type of information using the techniques from Section 17.17, “InnoDB Monitors”, setting up InnoDB monitors ...