OpenEuler20.3 安装 Elasticsearch7.17

1、下载elasticsearch

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.17.17-linux-x86_64.tar.gz
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.17.17-linux-x86_64.tar.gz.sha512
shasum -a 512 -c elasticsearch-7.17.17-linux-x86_64.tar.gz.sha512 

2、安装JDK

略

3、创建必要的目录

mkdir -p /opt/es/data
mkdir -p /opt/es/logs

4、解压到指定目录

tar -zxf elasticsearch-7.17.17-linux-x86_64.tar.gz -C /opt/es

5、根据服务器的配置调整jvm参数

cat <<EOF>>/opt/es/elasticsearch-7.17.17/config/jvm.options
-Xms300m
-Xmx300m
EOF

6、修改进程可以打开的文件数限制

cat <<EOF>>/etc/security/limits.conf
soft nofile 65536
hard nofile 65536
EOF

7、修改进程可以拥有的虚拟内存

cat <<EOF>>/etc/sysctl.conf
vm.max_map_count=262144
EOF

sysctl -p

8、创建用户

useradd esuser
echo "Mima123!@#" | passwd --stdin esuser

chgrp -R esuser /opt/es
chown -R esuser /opt/es
chmod 777 /opt/es

9、修改es核心配置

cat <<EOF>>/opt/es/elasticsearch-7.17.17/config/elasticsearch.yml
cluster.name: my-application
node.name: node-1
path.data: /opt/es/data
path.logs: /opt/es/logs
network.host: 192.168.129.7
http.port: 9200
cluster.initial_master_nodes: ["node-1"]
http.cors.enabled: true
http.cors.allow-origin: "*"
EOF

10、给es用户授权

sudo chmod -R 755 /usr/local/java
sudo chown -R esuser:esuser /usr/local/java

11、启动es服务并测试

su esuser
/opt/es/elasticsearch-7.17.17/bin/elasticsearch -d

curl http://192.168.129.7:9200