MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0

15.14.2 InnoDB INFORMATION_SCHEMA Transaction and Locking Information


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 written in terms of the older INFORMATION_SCHEMA tables, see InnoDB INFORMATION_SCHEMA Transaction and Locking Information in MySQL 5.7 Reference Manual.

One INFORMATION_SCHEMA table and two Performance Schema tables enable you to monitor InnoDB transactions and diagnose potential locking problems:

For more information about the preceding tables, see Section 25.39.29, “The INFORMATION_SCHEMA INNODB_TRX Table”, Section, “The data_locks Table”, and Section, “The data_lock_waits Table”.