1SELECT name, count 2FROM information_schema.innodb_metrics 3WHERE name = 'purge_stop_count' OR name = 'purge_resume_count'; 4name count 5purge_stop_count 0 6purge_resume_count 0 7SET @orig = @@global.innodb_purge_run_now; 8SELECT @orig; 9@orig 100 11SET GLOBAL innodb_purge_stop_now = ON; 12SELECT name, count 13FROM information_schema.innodb_metrics 14WHERE name = 'purge_stop_count' OR name = 'purge_resume_count'; 15name count 16purge_stop_count 1 17purge_resume_count 0 18SET GLOBAL innodb_purge_run_now = ON; 19SELECT @@global.innodb_purge_run_now; 20@@global.innodb_purge_run_now 210 22SELECT name, count 23FROM information_schema.innodb_metrics 24WHERE name = 'purge_stop_count' OR name = 'purge_resume_count'; 25name count 26purge_stop_count 1 27purge_resume_count 1 28