[1]: max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]

解决办法：

修改切换到root用户修改配置limits.conf 添加下面两行

命令:vi /etc/security/limits.conf

*        hard    nofile           65536
*        soft    nofile           65536

[2]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk

解决办法：

在elasticsearch.yml中配置bootstrap.system_call_filter为false，注意要在Memory下面:
bootstrap.memory_lock: false
bootstrap.system_call_filter: false