Initial
4	4
4	8
4	8
REPLACE simple
2	2
4	6
4	6
REPLACE empty
2	4
2	4
REPLACE recursive
4	8
4	8
1
ATTACH FROM
5	8
5	8
REPLACE with fetch
4	6
4	6
REPLACE with fetch of merged
4	6	4
4	6	3
4	6	3
After restart
4	6
4	6
DETACH+ATTACH PARTITION
2	2
2	2