前置条件
Elasticsearch需要依赖JDK环境,必须先安装JDK。此处使用JDK1.8
下载及启动
从 https://www.elastic.co/downloads/elasticsearch 下载最新稳定的ES。当前下载的版本是7.2.0。
# 下载
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.2.0-linux-x86_64.tar.gz
# 解压
tar -zxvf elasticsearch-7.2.0.tar.gz
# 启动
./bin/elasticsearch
常见的启动问题:
-
[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
这是每个进程最大打开文件太小了,修改/etc/security/limits.conf
vim /etc/security/limits.conf #增加如下二行 *