athena	backup	backup
	ext3fs	ext3fs	reiserfs
1024	62.6		16.2
999	67.0	4.1	11.4
5	14.6	13.9	12.4
7	14.6	13.8	13.7
18	37.3	6.9	5.7
			
248	39.5	2.4	2.9
252	47.9	2.6	3.1
256	47.9	3.4	4.6
260	48.3	3.5	5.6
			
1000	70.6	4.0	13.3
1200	70.4	4.3	8.8
1400	69.6	4.6	8.0
1600	68.7	4.8	8.8
1800	70.8	4.7	8.0