mirror of
https://github.com/MariaDB/server.git
synced 2025-01-20 05:52:27 +01:00
73 lines
2.7 KiB
Text
73 lines
2.7 KiB
Text
show databases;
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Database
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information_schema
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mtr
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mysql
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performance_schema
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test
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select count(*) from performance_schema.PERFORMANCE_TIMERS;
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count(*)
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5
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select count(*) from performance_schema.SETUP_CONSUMERS;
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count(*)
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8
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select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
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count(*) > 0
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0
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select count(*) from performance_schema.SETUP_TIMERS;
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count(*)
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1
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select * from performance_schema.COND_INSTANCES;
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select * from performance_schema.EVENTS_WAITS_CURRENT;
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select * from performance_schema.EVENTS_WAITS_HISTORY;
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select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
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select * from performance_schema.FILE_INSTANCES;
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select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
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select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
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select * from performance_schema.MUTEX_INSTANCES;
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select * from performance_schema.PERFORMANCE_TIMERS;
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select * from performance_schema.PROCESSLIST;
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select * from performance_schema.RWLOCK_INSTANCES;
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select * from performance_schema.SETUP_CONSUMERS;
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select * from performance_schema.SETUP_INSTRUMENTS;
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select * from performance_schema.SETUP_OBJECTS;
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select * from performance_schema.SETUP_TIMERS;
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show variables like "performance_schema%";
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Variable_name Value
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performance_schema OFF
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performance_schema_events_waits_history_long_size 10000
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performance_schema_events_waits_history_size 10
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performance_schema_max_cond_classes 80
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performance_schema_max_cond_instances 1000
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performance_schema_max_file_classes 50
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performance_schema_max_file_handles 32768
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performance_schema_max_file_instances 10000
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performance_schema_max_mutex_classes 200
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performance_schema_max_mutex_instances 1000
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performance_schema_max_rwlock_classes 20
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performance_schema_max_rwlock_instances 1000
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performance_schema_max_table_handles 100000
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performance_schema_max_table_instances 50000
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performance_schema_max_thread_classes 50
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performance_schema_max_thread_instances 1000
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show engine PERFORMANCE_SCHEMA status;
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show status like "performance_schema%";
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show status like "performance_schema%";
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Variable_name Value
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Performance_schema_cond_classes_lost 0
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Performance_schema_cond_instances_lost 0
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Performance_schema_file_classes_lost 0
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Performance_schema_file_handles_lost 0
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Performance_schema_file_instances_lost 0
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Performance_schema_locker_lost 0
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Performance_schema_mutex_classes_lost 0
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Performance_schema_mutex_instances_lost 0
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Performance_schema_rwlock_classes_lost 0
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Performance_schema_rwlock_instances_lost 0
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Performance_schema_table_handles_lost 0
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Performance_schema_table_instances_lost 0
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Performance_schema_thread_classes_lost 0
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Performance_schema_thread_instances_lost 0
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