centos6安装ElasticSearch完美运行版

centos6.8安装elasticsearch5.6.8

1. 上传elasticsearch-5.6.8.tar.gz

2. 解压到/usr/local/elasticsearch中

3. 配置JVM

   vim /usr/local/elasticsearch/config/jvm.options
   原始为:
   -Xms2g  
   -Xmx2g 
   ======修改为
   -Xms512m  
   -Xmx512m
   

   4.添加用户

   elasticsearch不允许在root用户下启动

   useradd yh
   passwd yh
   

   5.root用户下给el目录赋予权限

   chown yh:yh -R  /usr/localelasticsearch
   

   6.修改系统配置文件

   vim /etc/security/limits.conf
   * soft memlock unlimited
   * hard memlock unlimited
   * soft nofile 65536