A Two-Level Cache for Distributed Information Retrieval in Search Engines

Table 1

The processing time of single query.

Total queries (times)	Processing time of single query by using two-level cache structure (ms)	Processing time single query by just using dynamic cache (ms)
1000	32.3	59.6
2000	31.6	51.2
5000	39.5	54.5
10000	46.3	48.6
20000	53.1	50.3
30000	55.2	52.6
50000	50.8	50.4
80000	49.1	48.7