set global innodb_file_per_table=0; Warnings: Warning 1287 '@@innodb_file_per_table' is deprecated and will be removed in a future release set global innodb_limit_optimistic_insert_debug=2; set unique_checks=0, foreign_key_checks=0; create table t1(f1 int not null)engine=innodb; begin; insert into t1 select * from seq_1_to_8192; insert into t1 select * from seq_1_to_8192; insert into t1 select * from seq_1_to_65536; commit; create table t2(f1 int not null)engine=innodb; insert into t2 select * from seq_1_to_65536; create table t3(f1 int not null)engine=innodb; insert into t3 select * from seq_1_to_65536; CREATE TABLE t4(f1 int not null)engine=innodb; insert into t4 select * from seq_1_to_65536; drop table t2; drop table t4; InnoDB 0 transactions not purged # restart drop table t3, t1;