This works if your request stream is homogeneous. If it isn't (and they usually aren't), you need to break it up by type and check the 99.9th percentile of eac

This works if your request stream is homogeneous. If it isn't (and they usually aren't), you need to break it up by type and check the 99.9th percentile of each of them. Otherwise you could find that 99.9% of HTTP GETs are asynchronous AJAX polling and the requests that matter are slower.