In the ideal case , the latency of the rendering of one page is the maximum latency over all portlets on that pages in contrast to the sum of latencies if all portlets were rendered sequentially 在理想的情況下,呈現(xiàn)頁面的延遲為該頁上所有portlet延遲的最大值(如果所有portlet順序呈現(xiàn)的話,就為延遲的總和) 。