elasticsearch 集群配置
cluster.name: elasticsearch
node.name: node-01
bootstrap.mlockall: true
network.publish_host: 内网ip
network.bind_host: 外网ip, 内网ip
http.port: 9200
transport.tcp.port: 9300
discovery.zen.ping.unicast.hosts: ['内网ip','外网ip']
path.data: /mnt/path/to/data
path.logs: /mnt/path/to/logs