部署elasticsearch7.9

由于Elasticsearch是java写的所以需要先安装jdk；

解压安装包启动bin下的elasticsearch.bat，访问http://localhost:9200/，显示如下界面说明已经安装成功

 

 

 

 

若不使用localhost，在elasticsearch\config\elasticsearch.yml文件末尾添加如下代码：

node.name: node-1

network.host: 192.168.10.77

cluster.initial_master_nodes: ["node-1"]

解决跨域访问问题，添加如下代码

xpack.ml.enabled: false

http.cors.enabled: true

http.cors.allow-origin: "*"

http.cors.allow-methods: OPTIONS, HEAD, GET, PUT, DELETE

http.cors.allow-headers: "X-Requested-With, Content-Type, Content-Length, X-User"

indices.fielddata.cache.size: 40%