## performance_schema_events_transactions_history_long_size 

Section 27.15, “Performance Schema System Variables” Section 27.12.7.3, “The events_transactions_history_long Table” 

## performance_schema_events_transactions_history_size 

Section 27.15, “Performance Schema System Variables” Section 27.12.7.2, “The events_transactions_history Table” 

## performance_schema_events_waits_history_long_size 

Section 27.15, “Performance Schema System Variables” Section 27.12, “Performance Schema Table Descriptions” Section 13.7.7.15, “SHOW ENGINE Statement” Section 27.12.4.3, “The events_waits_history_long Table” 

## performance_schema_events_waits_history_size 

Section 27.15, “Performance Schema System Variables” Section 27.12, “Performance Schema Table Descriptions” Section 13.7.7.15, “SHOW ENGINE Statement” Section 27.12.4.2, “The events_waits_history Table” 

## performance_schema_hosts_size 

Section 27.12.15, “Performance Schema Status Variable Tables” Section 27.15, “Performance Schema System Variables” Section 27.12.20.12, “Status Variable Summary Tables” Section 27.12.8.2, “The hosts Table” 

## performance_schema_max_cond_classes 

Section 27.15, “Performance Schema System Variables” 

## performance_schema_max_cond_instances 

Section 27.15, “Performance Schema System Variables” 

## performance_schema_max_digest_length 

Section 27.10, “Performance Schema Statement Digests and Sampling” Section 27.15, “Performance Schema System Variables” Section 5.1.8, “Server System Variables” Section 27.12.6.1, “The events_statements_current Table” 

## performance_schema_max_digest_sample_age 

Section 27.10, “Performance Schema Statement Digests and Sampling” Section 27.15, “Performance Schema System Variables” 

## performance_schema_max_file_classes 

Section 27.15, “Performance Schema System Variables” 

## performance_schema_max_file_handles 

Section 27.15, “Performance Schema System Variables” 

## performance_schema_max_file_instances 

Section 27.15, “Performance Schema System Variables” 

