标签：last elastics post 5.4 net sdn ref bsp app
http://blog.csdn.net/napoay/article/details/73100110
修改mapping就比较坑了：
http://blog.csdn.net/napoay/article/details/52012249
Elasticsearch 5.4 Mapping详解
原文地址：https://www.cnblogs.com/littlehb/p/8492097.html
