10.2.2 The setup_consumers Table

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

mysql> SELECT * FROM performance_schema.setup_consumers;
+----------------------------------+---------+
| NAME                             | ENABLED |
+----------------------------------+---------+
| events_stages_current            | NO      |
| events_stages_history            | NO      |
| events_stages_history_long       | NO      |
| events_statements_current        | YES     |
| events_statements_history        | YES     |
| events_statements_history_long   | NO      |
| events_transactions_current      | YES     |
| events_transactions_history      | YES     |
| events_transactions_history_long | NO      |
| events_waits_current             | NO      |
| events_waits_history             | NO      |
| events_waits_history_long        | NO      |
| global_instrumentation           | YES     |
| thread_instrumentation           | YES     |
| statements_digest                | YES     |
+----------------------------------+---------+

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 5.7, “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.