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45 lines
2.7 KiB
Text
45 lines
2.7 KiB
Text
select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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where event_name like 'Wait/Synch/%' limit 1;
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EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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# # # # # # #
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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where event_name='FOO';
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EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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order by count_star limit 1;
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EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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# # # # # # #
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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order by count_star desc limit 1;
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EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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# # # # # # #
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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where min_timer_wait > 0 order by count_star limit 1;
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EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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# # # # # # #
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select * from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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where min_timer_wait > 0 order by count_star desc limit 1;
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EVENT_NAME OBJECT_INSTANCE_BEGIN COUNT_STAR SUM_TIMER_WAIT MIN_TIMER_WAIT AVG_TIMER_WAIT MAX_TIMER_WAIT
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# # # # # # #
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insert into performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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set event_name='FOO', object_instance_begin=0,
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count_star=1, sum_timer_wait=2, min_timer_wait=3,
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avg_timer_wait=4, max_timer_wait=5;
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ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
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update performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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set count_star=12;
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ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
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update performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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set count_star=12 where event_name like "FOO";
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ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
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delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE
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where count_star=1;
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ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
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delete from performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE;
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ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
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LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE READ;
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ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
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UNLOCK TABLES;
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LOCK TABLES performance_schema.EVENTS_WAITS_SUMMARY_BY_INSTANCE WRITE;
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ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'EVENTS_WAITS_SUMMARY_BY_INSTANCE'
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UNLOCK TABLES;
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