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Rechercher dans le manuel MySQL

26.12.2.2 The setup_consumers Table

Contents

The setup_consumers table lists the types of consumers for which event information can be stored and which are enabled:

  1. mysql> SELECT * FROM performance_schema.setup_consumers;
  2. +----------------------------------+---------+
  3. | NAME                             | ENABLED |
  4. +----------------------------------+---------+
  5. | events_stages_current            | NO      |
  6. | events_stages_history            | NO      |
  7. | events_stages_history_long       | NO      |
  8. | events_statements_current        | YES     |
  9. | events_statements_history        | YES     |
  10. | events_statements_history_long   | NO      |
  11. | events_transactions_current      | YES     |
  12. | events_transactions_history      | YES     |
  13. | events_transactions_history_long | NO      |
  14. | events_waits_current             | NO      |
  15. | events_waits_history             | NO      |
  16. | events_waits_history_long        | NO      |
  17. | global_instrumentation           | YES     |
  18. | thread_instrumentation           | YES     |
  19. | statements_digest                | YES     |
  20. +----------------------------------+---------+

The consumer settings in the setup_consumers table form a hierarchy from higher levels to lower. For detailed information about the effect of enabling different consumers, see Section 26.4.7, “Pre-Filtering by Consumer”.

Modifications to the setup_consumers table affect monitoring immediately.

The setup_consumers table has these columns:

  • NAME

    The consumer name.

  • ENABLED

    Whether the consumer is enabled. The value is YES or NO. This column can be modified. If you disable a consumer, the server does not spend time adding event information to it.

The setup_consumers table has these indexes:

  • Primary key on (NAME)

TRUNCATE TABLE is not permitted for the setup_consumers table.


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