PERCENTILE, BEST MEASURE FOR RESPONSE TIME

PERCENTILE, BEST MEASURE FOR RESPONSE TIMEWHAT IS PERCENTILE?Percentile (common measurement in statistics) splits the given sample group into 100 equal-sized intervals and this provides the data to be analyzed in terms of percentages.We can tell the usage of percentile with an example: The response time for a HTTP request below which 90% of the response time values lie, is called the 90-percentile response time.In the following graph, 90% of the requests is processed in 3.0 seconds or less:WHY DO WE USE PERCENTILE?If we speak statistically there are a lot of methods to define just how good of an overall experience your product is providing. Averages are used widely. They are really easy to calculate and understand — however they can be misleading.For example: Let’s admit the average salary in a region in Europe was 1900€. When we are looking closer, we found out the majority, 9 out of 10 people, only earned around 1000 Euros and one would earn 10.000. If you calculate, of course you wi...