Elasticsearch单机部署

1.下载安装包

下载地址:https://www.elastic.co/downloads/elasticsearch

我这里下载的是 elasticsearch-6.4.0.tar.gz
保存至/opt目录下

cd /opt

tar -zxvf elasticsearch-6.4.0.tar.gz

2.创建用户elsearch,用户组elsearch

groupadd elsearch
useradd elsearch -g elsearch -p elasticsearch

3.修改文件权限

cd /opt/
chown -R elsearch:elsearch elasticsearch-6.4.0

4.修改配置文件
cd /opt/elasticsearch-6.4.0/config/
vim elasticsearch.yml
修改以下配置：

#集群名称,建议修改成自己的，防止误用默认集群
cluster.name: elasticsearch

#配置外网可以访问
network.host: 0.0.0.0
#单节点需要修改配置
cluster.initial_master_nodes: ["node-1"]

追加配置文件:

echo "bootstrap.memory_lock: false" >> /opt/elasticsearch-6.4.0/config/elasticsearch.yml
echo "bootstrap.system_call_filter: false" >> /opt/elasticsearch-6.4.0/config/elasticsearch.yml

echo "* soft nofile 65536" >> /etc/security/limits.conf
echo "* hard nofile 131072" >> /etc/security/limits.conf
echo "* soft nproc 4096" >> /etc/security/limits.conf
echo "* hard nproc 4096" >> /etc/security/limits.conf

echo "vm.max_map_count=655360" >> /etc/sysctl.conf

保存后执行
sysctl -p

5.配置jvm内存大小

cd /opt/elasticsearch-6.4.0/config/
修改文件jvm.options
# Xms represents the initial size of total heap space
# Xmx represents the maximum size of total heap space
-Xms8g
-Xmx8g

echo "export ES_HEAP_SIZE=8g" >> /opt/elasticsearch-6.4.0/bin/elasticsearch

切换目录：cd /opt/elasticsearch-6.4.0/bin/

执行配置生效：

source "`dirname "$0"`"/elasticsearch-env

5.启动服务

su elsearch

cd /opt/elasticsearch-6.4.0/bin/

sh ./elasticsearch -d

6 访问验证：

curl http://192.168.0.102/9200

巴特西

Elasticsearch单机部署

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