1, throughput: indicates data transfer within the network, circuits, equipment and other ports, the number per unit time successful
2, concurrent: usually improve performance of running on a single processor; namely: a program, in a certain time, can withstand the maximum capacity
3, pv: refers to the views of a page, each time you open the page, PV + 1, but also refresh; count only the number of visits.
4, UV: refers to the number of unique visitors access, a computer terminal as a visitor, this terminal, no matter how many times entered, only counted as a UV
5. Stability: refers to the duration of the stable operation of the program
6, performance: means in response to running speed of processing the request