Data Placement Algorithm for Improving I/O Load Balance without Using Popularity Information

Table 1

Comparison of popularity diversity in each file set.

File set	Max/Min
	92.7
	91.8
	82.0
	47.0
	46.0
	35.5
	21.0
	28.5
	96.5
	30.5
	16.0
	10.5
	1437.5