1. 提示：max file descriptors [4096] for elasticsearch process is too low

max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536] 解决方法如下：

编辑/etc/security/limits.conf文件 vi /etc/security/limits.conf

在文件的末尾处加上以下内容并保存

elasearch soft nofile 65536
elasearch hard nofile 65536

2. 提示：max virtual memory areas vm.max_map_count [65530] is too low

max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

解决方法如下：

执行： vi /etc/sysctl.conf 在里面最后一行加入： vm.max_map_count=655360 再执行下面命令使配置生效 sysctl -p 再使用以下命令查看是否已经生效 sysctl -a | grep "vm.max_map_count" 生效即可