Elasticsearch运行中的常见错误

[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
切换到root用户，编辑limits.conf添加如下内容

    vi /etc/security/limits.conf
    * soft nofile 65536
    * hard nofile 65536

[2]: current thread count for user es is set too low, recommended to raise it to a minimum of 4096
建议修改配置文件etc/security/limits.conf以增加线程设置。

    * soft nproc 4096
    * hard nproc 4096

编辑etc/sysctl.conf文件, 配置vm.max_map_count参数设置为262144

    vi /etc/sysctl.conf
    sysctl -p

执行命令sysctl -p生效

问题的根本原因在于：由于