Elasticsearch7.8 单机配置

1、先修改系统配置

vi /etc/sysctl.conf

vm.max_map_count=262144

vi /etc/security/limits.conf

*        soft   nproc  65536
*        hard   nproc  65536
*        soft   nofile  65536
*        hard   nofile  65536

vi /etc/security/limits.d/20-nproc.conf

*          soft    nproc     65536

重启一下系统

2、安装

tar zxvf elasticsearch-7.8.0-linux-x86_64.tar.gz

mv elasticsearch-7.8.0 elasticsearch

adduser elasticsearch

echo elasticsearch | passwd --stdin elasticsearch

chown -R elasticsearch /usr/local/elasticsearch

3、修改配置文件

vi /usr/local/elasticsearch/config/elasticsearch.yml  （主要修改或增加如下配置）

cluster.name: my-application
node.name: node-1
network.host: 0.0.0.0
http.port: 9200
discovery.seed_hosts: ["127.0.0.1", "[::1]"]
cluster.initial_master_nodes: ["node-1"]

http.cors.allow-origin: "*"
http.cors.enabled: true
http.cors.allow-headers : X-Requested-With,X-Auth-Token,Content-Type,Content-Length,Authorization
http.cors.allow-credentials: true

 4、启动

su elasticsearch -l -c "/usr/local/elasticsearch/bin/elasticsearch"         #调试启动

su elasticsearch -l -c "/usr/local/elasticsearch/bin/elasticsearch -d"    #后台启动