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rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
vim /etc/yum.repos.d/elasticsearch.repo
[elasticsearch-7.x]
name=Elasticsearch repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md
yum install -y elasticsearch
https://github.com/medcl/elasticsearch-analysis-ik/releases
#进入es安装目录下的plugins下,创建ik文件夹
cd /elasticsearch-7.x/plugins
mkdir ik
#将下载好的zip包放入ik文件夹下,执行解压
unzip elasticsearch-analysis-ik-7.x.zip
安装成功后需要重启ES,重启后可以访问以下命令验证
crul http://localhost:9200/_cat/plugins
/etc/elasticsearch/elasticsearch.yml
/etc/elasticsearch/jvm.options
如果服务器内存不足,可能导致ES启动失败,ES默认内存1G,推荐配置256m
vim /etc/elasticsearch/jvm.options
#####修改以下参数
-Xms256m
-Xmx256m
systemctl start elasticsearch.service
systemctl enable elasticsearch.service
systemctl status elasticsearch.service
curl -X GET localhost:9200