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MySQL 5.7 Reference Manual
Related Documentation Download this Manual Excerpts from this Manual The events_stages_history_long Table

The events_stages_history_long table contains the most recent N stage events. The value of N is autosized at server startup. To set the table size explicitly, set the performance_schema_events_stages_history_long_size system variable at server startup. Stage events are not added to the table until they have ended. As new events are added, older events are discarded if the table is full. When a thread ends, its rows are removed from the table.

The events_stages_history_long table has the same structure as events_stages_current. See Section, “The events_stages_current Table”.

The events_stages_history_long table can be truncated with TRUNCATE TABLE.

For information about configuration of stage event collection, see Section 21.9.5, “Performance Schema Stage Event Tables”.

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