Elasticsearch安装

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Elasticsearch安装

1、安装ElasticSearch

cd /usr/local

wget http://dl.elasticsearch.cn/elasticsearch/elasticsearch-7.6.1-linux-x86_64.tar.gz

tar zxvf elasticsearch-7.6.1-linux-x86_64.tar.gz 

2、创建用户elasticsearch

adduser elasticsearch
passwd elasticsearch (yourPWD)
chown -R elasticsearch elasticsearch-7.6.1

3、配置ES

cd /usr/local/elasticsearch-7.6.1/config

#、vi elasticsearch.yml 增加配置：

discovery.type: single-node

network.host: 0.0.0.0

indices.query.bool.max_clause_count: 102400

#、更改Elasticsearch最大内存大小
vi /usr/local/elasticsearch-7.6.1/config/jvm.options
-Xms8g 
-Xmx8g  

vi /etc/sysctl.conf 
增加配置vm.max_map_count=262144

#、执行命令sysctl -p生效
sysctl -p

4、安装ik分词器

cd  /usr/local/elasticsearch-7.6.1/bin

./elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.6.1/elasticsearch-analysis-ik-7.6.1.zip

5、 启动es：

cd /usr/local/elasticsearch-7.6.1/bin

su elasticsearch

./elasticsearch -d