# restart: --debug_dbug=d,undo_segment_leak
SET GLOBAL INNODB_FILE_PER_TABLE=0;
Warnings:
Warning	1287	'@@innodb_file_per_table' is deprecated and will be removed in a future release
CREATE TABLE t1(f1 INT NOT NULL, f2 INT NOT NULL)ENGINE=InnoDB;
INSERT INTO t1 SELECT seq, seq FROM seq_1_to_4096;
INSERT INTO t1 SELECT seq, seq FROM seq_1_to_4096;
INSERT INTO t1 SELECT seq, seq FROM seq_1_to_4096;
INSERT INTO t1 SELECT seq, seq FROM seq_1_to_4096;
INSERT INTO t1 SELECT seq, seq FROM seq_1_to_4096;
INSERT INTO t1 SELECT seq, seq FROM seq_1_to_4096;
UPDATE t1 SET f1 = f1 + 1 WHERE f1 > 1000;
UPDATE t1 SET f2 = f2 + 1 WHERE f1 > 1000;
UPDATE t1 SET f1 = f2 + 1 WHERE f1 > 1000;
UPDATE t1 SET f2 = f1 + 1 WHERE f1 > 1000;
DELETE FROM t1;
DROP TABLE t1;
set GLOBAL innodb_fast_shutdown=0;
SELECT NAME, FILE_SIZE FROM information_schema.innodb_sys_tablespaces WHERE SPACE = 0;
NAME	FILE_SIZE
innodb_system	79691776
# restart
SELECT NAME, FILE_SIZE FROM information_schema.innodb_sys_tablespaces WHERE SPACE = 0;
NAME	FILE_SIZE
innodb_system	12582912