Elasticsearch Index 索引管理Elasticsearch(简称es)是分布式的搜索引擎,底层基于Lucene,Lucene的搜索核心数据结构是倒排索引。ES存储数据的基本单位是索引。Elasticsearch将每个index中的数据划分到不同的shard中,然后将shard分配到不同的节…
python函数式编程Most of us have been introduced to Python as an object-oriented language; a language exclusively using classes to build our programs. While classes, and objects, are easy to start working with, there are other ways to write your Python code…