Architecture and Implementation of a Scalable Sensor Data Storage and Analysis System Using Cloud Computing and Big Data Technologies

Table 2

Weka -means clustering performance results.

Number of points	Execution time (sec)
100.000	2,34
200.000	8,23
300.000	11,29
400.000	16,67
500.000	20,23
1.000.000	46,08
1.500.000	67,33
2.000.000	Out of memory
3.000.000	Out of memory