Elasticsearch 启动报错集合

一、错误提示：

max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144]
max file descriptors [4096] for elasticsearch process likely too low, increase to at least [65536]

解决方法：

错误一：max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144]

//打开配置文件
vim /etc/sysctl.conf

//加入
vm.max_map_count=262144

//执行命令
sysctl -p

//然后保存

错误二：max file descriptors [4096] for elasticsearch process likely too low, increase to at least [65536]

//编辑配置文件
vim /etc/security/limits.conf 

//加入以下2行
redhat hard nofile 65536
redhat soft nofile 65536

//保存退出

重新启动Elasticsearch