elasticsearch 打分精度
elasticsearch 原文 What Is Relevance?edit We’ve mentioned that, by default, results are returned in descending order of relevance. But what is relevance? How is it calculated? The relevance score of each document is represented by a positive floating-point number called the _score. The higher the _score, the more relevant the document. 所以，elasticsearch中分数是 浮点类型的 。 IEEE 754 这里就不细说什么是IEEE 754了，就直接讲具体内容，有兴趣的可以自己百度。 float 符号位（S）：1bit 指数位（E）：8bit 尾数位（M）：23bit float的尾数：23位，其范围为：0~223，而223=8388608，所以floa...
