Elasticsearch学习笔记

当下最流行的全文搜索引擎。告诉你今后搜索不能再想着去查DB了，至少面试不能！

安装

• Java 8 环境
  去官网下载安装包
  https://www.elastic.co/cn/elasticsearch/
  解压后启动
  ./bin/elasticsearch

查看链接是否成功

~ curl localhost:9200
{
  "name" : "YBPHP.local",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "p5IcmZiLTVaLqbIaYR9zwA",
  "version" : {
    "number" : "7.7.1",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "ad56dce891c901b494bb1ee393f12dfff472a423",
    "build_date" : "2020-05-28T16:30:01.040088Z",
    "build_snapshot" : false,
    "lucene_version" : "8.5.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

安装线上管理工具(elasticsearch-head)

git clone https://github.com/mobz/elasticsearch-head.git
cd elasticsearch-head
npm install
npm run start
open http://localhost:9100/

• 如果打开发现连接不上elastic，需修改一下elastic的配置（允许跨域）

  vi config/elasticsearch.yml
  #在文件末尾加上如下配置
  http.cors.enabled: true
  http.cors.allow-origin: "*"

连接成功如下：