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需要编辑的文件是config/elasticsearch.yml文件
需要配置的项目有：
# Use a descriptive name for your cluster: # cluster.name: Hadoop # # ------------------------------------ Node ------------------------------------ # # Use a descriptive name for the node: # #node.name: nn2 node.name: ${HOSTNAME} # # Set the bind address to a specific IP (IPv4 or IPv6): # network.host: 192.168.56.122 # # Set a custom port for HTTP: # # http.port: 9200 # # For more information, see the documentation at: # <http://www.elastic.co/guide/en/elasticsearch/reference/current/modules-network.html> # # ---------------------------------- Gateway ----------------------------------- # # Block initial recovery after a full cluster restart until N nodes are started: # # gateway.recover_after_nodes: 3 # # For more information, see the documentation at: # <http://www.elastic.co/guide/en/elasticsearch/reference/current/modules-gateway.html> # # --------------------------------- Discovery ---------------------------------- # # Elasticsearch nodes will find each other via unicast, by default. # # Pass an initial list of hosts to perform discovery when new node is started: # The default list of hosts is ["127.0.0.1", "[::1]"] # discovery.zen.ping.unicast.hosts: ["nn1","nn2","dn1"]
在同一个网络中，如果启用多播，就会自动发现，生产环境中建议使用单播，有更好的稳定性。
遇到这个问题，一直以为是自己的网络问题，想偏了。
应该细细阅读配置文件，或者是去官方文档上细细阅读，如果想把ELK应用于生产环境，真得需要对文档熟悉，提高工作的效率。
https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-configuration.html
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原文地址：http://www.cnblogs.com/huaxiaoyao/p/5229279.html
