Elasticsearch5安装

1、前提

(1)、JDK需要1.8以上

(2)、最大打开文件数至少65536（/etc/security/limits.conf）

(3)、vm.max_map_count至少270000（vm.max_map_count=300000）

(4)、启动必须为非root用户

2、下载安装

(1)、https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.4.3.tar.gz

(2)、启动  ./bin/elasticsearch -d

(3)、配置

为了允许 elasticsearch-head 运行时的跨域，增加如下配置（config/elasticsearch.yml）

# allow origin
http.cors.enabled: true
http.cors.allow-origin: "*"
http.cors.allow-headers: authorization

(4)、访问验证

http://localhost:9200/ 

3、插件

(1)、可视化插件（elasticsearch-head）

git clone git://github.com/mobz/elasticsearch-head.github
cd elasticsearch-head
npm install
nohup npm run start &

验证地址： http://localhost:9100

参考： https://mobz.github.io/elasticsearch-head/

for Elasticsearch 5.x: plugins are not supported. Run elasticsearch-head as a standalone
for Elasticsearch 2.x – 4.x: sudo elasticsearch/bin/plugin install mobz/elasticsearch-head
for Elasticsearch 1.x: sudo elasticsearch/bin/plugin -install mobz/elasticsearch-head/1.x
for Elasticsearch 0.9: sudo elasticsearch/bin/plugin -install mobz/elasticsearch-head/0.9

(2)、插件bigdesk

git clone https://github.com/hlstudio/bigdesk
cd bigdesk/_site
python -mSimpleHTTPServer
Serving HTTP on 0.0.0.0 port 8000

访问地址： http://localhost:8000

参考： http://bigdesk.org

　　　 https://kibana.logstash.es/content/elasticsearch/monitor/bigdesk.html