Performances Evaluation of a Novel Hadoop and Spark Based System of Image Retrieval for Huge Collections

Table 2

Retrieval phase performances (i.e., Spark based).

Number of images	Retrieval; time ,	Time to process; all images ,	Architecture; time ,	Percentage of; architecture time
100	0.559	0.245	0.314	56.17%
1000	0.625	0.262	0.363	58.08%
10000	1.140	0.367	0.773	67.81%
100000	4.603	1.472	3.131	68.02%
500000	22.635	9.230	13.405	59.22%