打开performance_schema

控制台可开

打开内存监控

update performance_schema.setup_instruments set enabled = 'yes' where name like 'memory%';

查看监控

select * from sys.x$memory_by_host_by_current_bytes   ;select * from sys.x$memory_by_thread_by_current_bytes ;select * from sys.x$memory_by_user_by_current_bytes   ;select * from sys.x$memory_global_by_current_bytes    ;select * from sys.x$memory_global_total               ;

event_name

current_count

current_alloc

current_avg_alloc

high_count

high_alloc

high_avg_alloc

参考