1SELECT @@global.innodb_buffer_pool_dump_now;
2@@global.innodb_buffer_pool_dump_now
30
4SELECT variable_value INTO @old_dump_status FROM information_schema.global_status
5WHERE LOWER(variable_name) = 'innodb_buffer_pool_dump_status';
6SET GLOBAL innodb_buffer_pool_dump_now = ON;
7SELECT @@global.innodb_buffer_pool_dump_now;
8@@global.innodb_buffer_pool_dump_now
90
10