mirror of
https://github.com/MariaDB/server.git
synced 2025-08-27 13:04:36 +03:00
75 lines
2.7 KiB
Plaintext
75 lines
2.7 KiB
Plaintext
show databases;
|
|
Database
|
|
information_schema
|
|
mtr
|
|
mysql
|
|
performance_schema
|
|
test
|
|
select count(*) from performance_schema.PERFORMANCE_TIMERS;
|
|
count(*)
|
|
5
|
|
select count(*) from performance_schema.SETUP_CONSUMERS;
|
|
count(*)
|
|
8
|
|
select count(*) > 0 from performance_schema.SETUP_INSTRUMENTS;
|
|
count(*) > 0
|
|
1
|
|
select count(*) from performance_schema.SETUP_TIMERS;
|
|
count(*)
|
|
1
|
|
select * from performance_schema.COND_INSTANCES;
|
|
select * from performance_schema.EVENTS_WAITS_CURRENT;
|
|
select * from performance_schema.EVENTS_WAITS_HISTORY;
|
|
select * from performance_schema.EVENTS_WAITS_HISTORY_LONG;
|
|
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_EVENT_NAME;
|
|
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
|
|
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_THREAD_BY_EVENT_NAME;
|
|
select * from performance_schema.FILE_INSTANCES;
|
|
select * from performance_schema.FILE_SUMMARY_BY_EVENT_NAME;
|
|
select * from performance_schema.FILE_SUMMARY_BY_INSTANCE;
|
|
select * from performance_schema.MUTEX_INSTANCES;
|
|
select * from performance_schema.PERFORMANCE_TIMERS;
|
|
select * from performance_schema.PROCESSLIST;
|
|
select * from performance_schema.RWLOCK_INSTANCES;
|
|
select * from performance_schema.SETUP_CONSUMERS;
|
|
select * from performance_schema.SETUP_INSTRUMENTS;
|
|
select * from performance_schema.SETUP_OBJECTS;
|
|
select * from performance_schema.SETUP_TIMERS;
|
|
show variables like "performance_schema%";
|
|
Variable_name Value
|
|
performance_schema ON
|
|
performance_schema_events_waits_history_long_size 10000
|
|
performance_schema_events_waits_history_size 10
|
|
performance_schema_max_cond_classes 80
|
|
performance_schema_max_cond_instances 1000
|
|
performance_schema_max_file_classes 50
|
|
performance_schema_max_file_handles 32768
|
|
performance_schema_max_file_instances 10000
|
|
performance_schema_max_mutex_classes 0
|
|
performance_schema_max_mutex_instances 1000
|
|
performance_schema_max_rwlock_classes 20
|
|
performance_schema_max_rwlock_instances 1000
|
|
performance_schema_max_table_handles 100000
|
|
performance_schema_max_table_instances 50000
|
|
performance_schema_max_thread_classes 50
|
|
performance_schema_max_thread_instances 1000
|
|
show engine PERFORMANCE_SCHEMA status;
|
|
show status like "performance_schema%";
|
|
show variables like "performance_schema_max_mutex_classes";
|
|
Variable_name Value
|
|
performance_schema_max_mutex_classes 0
|
|
select count(*) from performance_schema.SETUP_INSTRUMENTS
|
|
where name like "wait/synch/mutex/%";
|
|
count(*)
|
|
0
|
|
select variable_value > 0 from information_schema.global_status
|
|
where variable_name like 'PERFORMANCE_SCHEMA_MUTEX_CLASSES_LOST';
|
|
variable_value > 0
|
|
1
|
|
select count(*) from performance_schema.MUTEX_INSTANCES;
|
|
count(*)
|
|
0
|
|
show status like "performance_schema_mutex_instances_lost";
|
|
Variable_name Value
|
|
Performance_schema_mutex_instances_lost 0
|