MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0

26.12.5.1 The events_stages_current Table

The events_stages_current table contains current stage events. The table stores one row per thread showing the current status of the thread's most recent monitored stage event, so there is no system variable for configuring the table size.

Of the tables that contain stage event rows, events_stages_current is the most fundamental. Other tables that contain stage event rows are logically derived from the current events. For example, the events_stages_history and events_stages_history_long tables are collections of the most recent stage events that have ended, up to a maximum number of rows per thread and globally across all threads, respectively.

For more information about the relationship between the three stage event tables, see Section 26.9, “Performance Schema Tables for Current and Historical Events”.

For information about configuring whether to collect stage events, see Section 26.12.5, “Performance Schema Stage Event Tables”.

The events_stages_current table has these columns:

The events_stages_current table has these indexes:

TRUNCATE TABLE is permitted for the events_stages_current table. It removes the rows.