一、含义

• 灵活搜索，存储非关系型数据，简称ES。
• The Elastic Stack，包括Elasticsearch、Kibana、Beats和Logstash，也称为ELK Stack。
• 基于Lucene开发。

二、启动

双击elasticsearch.bat启动，浏览器输入http://localhost:9200/

{
"name" : "YANGDONGDONGD",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "9GCiiijiSO2nZzGUfFIfHw",
"version" : {
  "number" : "7.15.1",
  "build_flavor" : "default",
  "build_type" : "zip",
  "build_hash" : "83c34f456ae29d60e94d886e455e6a3409bba9ed",
  "build_date" : "2021-10-07T21:56:19.031608185Z",
  "build_snapshot" : false,
  "lucene_version" : "8.9.0",
  "minimum_wire_compatibility_version" : "6.8.0",
  "minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}