Performance Schema System Variables Default Value -1  (signifies autosizing; do not assign this literal value) Minimum Value -1 Maximum Value 1048576 The maximum number of rows in the  events_statements_summary_by_digest  table. If this maximum is exceeded such that a digest cannot be instrumented, the Performance Schema increments the  Performance_schema_digest_lost  status variable. For more information about statement digesting, see Section 27.10, “Performance Schema Statement Digests and Sampling” . • performance_schema_error_size Command-Line Format --performance-schema-error-size=# System Variable performance_schema_error_size Scope Global Dynamic No SET_VAR  Hint Applies No Type Integer Default Value number of server error codes Minimum Value 0 Maximum Value 1048576 The number of instrumented server error codes. The default value is the actual number of server error codes. Although the value can be set anywhere from 0 to its maximum, the intended use is to set it to either its default (to instrument all errors) or 0 (to instrument no errors). Error information is aggregated in summary tables; see Section 27.12.20.11, “Error Summary Tables” . If an error occurs that is not instrumented, information for the occurrence is aggregated to the  NULL row in each summary table; that is, to the row with  ERROR_NUMBER=0 ,  ERROR_NAME=NULL , and SQLSTATE=NULL . • performance_schema_events_stages_history_long_size Command-Line Format --performance-schema-events-stages- history-long-size=# System Variable Scope Global Dynamic No SET_VAR  Hint Applies No Type Integer Default Value -1  (signifies autosizing; do not assign this literal value) The number of rows in the  events_stages_history_long  table. 5103