[Retracted] Massive-Scale Data Mining to Enhance Digital Library with Applications in College Education

Table 1

System stability evaluation.

Concurrency level	Textual system		System [6]
	CPU usage	Ram usage	CPU usage	Ram usage
500	34%	27%	41%	35%
1000	41%	32%	47%	38%
2000	40%	44%	48%	49%
3000	32%	32%	39%	41%
4000	55%	34%	61%	40%