Fill Factor The fill-factor value determines percentage of space on page to be filled with data, reserving For example, specifying a fill-factor value of 80 means that 20 percent of each page will be left empty Fill-factor concept is newly being introduced and use of it is currently restricted only for sorted build Agreeable limits: 10 <= fill-factor <= 100 Note: it could be better that we support fill factor per index
---- In Practice 综合上面数据能够得出的结论: 填充因子: 平均扇出数计算公式 average fanout = 2 * degree * fill-factor 对于 B+ 树来说,