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https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-fulltext_index-tables.html
Note With the exception of the INNODB_FT_DEFAULT_STOPWORD table, these tables are empty initially. INNODB_FT_BEING_DELETED: Provides a snapshot of the INNODB_FT_DELETED table; it is used only during an OPTIMIZE TABLE maintenance operation. When ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-internal-data.html
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 8.0. For similar discussion ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-transactions.html
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 8.0. For similar discussion ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-understanding-innodb-locking.html
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 8.0. For similar discussion ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-introduction.html
InnoDB is a general-purpose storage engine that balances high reliability and high performance. Unless you have configured a different default storage engine, issuing a CREATE TABLE statement without an ENGINE clause creates an InnoDB table. Key ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-locking.html
Shared and Exclusive Locks Intention Locks Record Locks Gap Locks Next-Key Locks Insert Intention Locks AUTO-INC Locks Predicate Locks for Spatial Indexes Shared and Exclusive Locks InnoDB implements standard row-level locking where there are two ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-performance.html
Note For a greater understanding of the MySQL processing associated with a DDL operation, examine Performance Schema and INFORMATION_SCHEMA tables related to InnoDB before and after DDL operations to see the number of physical reads, writes, memory ... Online DDL improves several aspects of MySQL operation: Applications that access the table are more responsive because queries and DML operations on the table can proceed while the DDL operation is in ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl.html
Note ALGORITHM=INSTANT support is available for ADD COLUMN and other operations in MySQL 8.0.12. The online DDL feature provides support for instant and in-place table alterations and concurrent DML. Benefits of this feature include: Improved ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-performance-ro-txn.html
Note Transactions that qualify as auto-commit, non-locking, and read-only (AC-NL-RO) are kept out of certain internal InnoDB data structures and are therefore not listed in SHOW ENGINE INNODB STATUS output. InnoDB can avoid the overhead associated ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-performance-schema.html
Instance tables relevant to InnoDB include: The mutex_instances table The rwlock_instances table The cond_instances table The file_instances table Note Mutexes and RW-locks related to the InnoDB buffer pool are not included in this coverage; the ...