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Download the elasticsearch installation package
$ wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.2.tar.gz
## 解压
tar -xvf elasticsearch-6.3.2.tar.gz
Configure the elasticsearch.yml file
## 应用名
cluster.name: my-application
## data存放目录
path.data: /usr/local/elasticsearch-6.3.2/data
## 日志存放目录
path.logs: /usr/local/elasticsearch-6.3.2/logs
## bootstrap
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
## 设置都可以访问
network.host: 0.0.0.0
## 设置端口
http.port: 9200
Configure the jvm.options file
Since the blogger is an Alibaba Cloud server, the configuration is not good, set the memory, the default is 1g
#-Xms1g
#-Xmx1g
-Xms256m
-Xmx256m
Create user group
groupadd elasticsearch
useradd elasticsearch -g elasticsearch
passwd elasticsearch
# elasticsearch 强制限制不能以root用户启动,设置权限
用户:用户所在组
chown -R elasticsearch:elasticsearch /usr/local/elasticsearch-6.3.2
Configure the /etc/security/limits.conf file
vim /etc/security/limits.conf
# End of file
root soft nofile 65536
root hard nofile 65536
* soft nofile 65536
* hard nofile 65536
# elasticsearch
* soft nproc 2048
* hard nproc 4096
Configure the /etc/sysctl.conf file
# elasticsearch
vm.max_map_count=655360
Start elasticsearch
su elasticsearch
into the bin folder and start
./elasticsearch
Access address localhost:9200
ES has an understanding of some concepts than traditional relational databases:
Relational DB -> Databases -> Tables -> Rows -> Columns
Elasticsearch -> Indices -> Types -> Documents -> Fiel
Several solutions for startup errors:
https://www.cnblogs.com/linzepeng/p/12084734.html
https://www.cnblogs.com/jingping/p/9448099.html