Elasticsearch初探

Elasticsearch安装

读者可以参考：Downloads Elasticsearch

1. 下载

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.5.1.tar.gz
tar -zxvf elasticsearch-6.5.1.tar.gz
cd elasticsearch-6.5.1/

2. 启动

./bin/elasticsearch

遇到的一些问题：

• 内存不够，释放无用内存，修改./config/jvm.options
• 不能使用root账户，新建work账户，修改/etc/sudoers
• java环境变量

3.查看信息

# 集群信息
http://localhost:9200/
# 所有index
http://localhost:9200/_cat/indices?v
# index下的具体信息
http://localhost:9200/_mapping?pretty=true

Elasticsearch使用

https://www.elastic.co/guide/en/elasticsearch/reference/current/getting-started.html
https://www.elastic.co/blog/a-practical-introduction-to-elasticsearch
http://www.ruanyifeng.com/blog/2017/08/elasticsearch.html