ES集群部署
环境： MacOS
创建三个副本
修改 elasticsearch.yml文件
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| // 解决跨域
http.cors.enabled: true
http.cors.allow-origin: "*"
// 指定当前节点的ip以及端口号
network.host: localhost
http.port: 18122
// 集群通信所使用的端口号
transport.tcp.port: 9303
// 指定节点的名称
node.name: node-1001
node.master: true
node.data: true
// 集群的名称，统一集群下所有节点的配置都相同
cluster.name: my-application
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对于node-1001配置
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| cluster.name: my-application
node.name: node-1001
node.master: true
node.data: true
network.host: localhost
http.port: 18120
transport.tcp.port: 9301
http.cors.enabled: true
http.cors.allow-origin: "*"
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对于node-1002配置，需要与node-1001建立，需要增加配置
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| cluster.name: my-application
node.name: node-1002
node.master: true
node.data: true
network.host: localhost
http.port: 18121
transport.tcp.port: 9302
http.cors.enabled: true
http.cors.allow-origin: "*"
// node-1002需要发现第一个节点，与其建立集群
discovery.seed_hosts: ["localhost:9301"]
discovery.zen.fd.ping_timeout: 1m
discovery.zen.fd.ping_retries: 5
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对于node-1003配置，需要与node-1001、node-1002建立
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| cluster.name: my-application
node.name: node-1003
node.master: true
node.data: true
network.host: localhost
http.port: 18122
transport.tcp.port: 9303
http.cors.enabled: true
http.cors.allow-origin: "*"
// node-1002需要发现第一个节点，与其建立集群
discovery.seed_hosts: ["localhost:9301", "localhost:9302"]
discovery.zen.fd.ping_timeout: 1m
discovery.zen.fd.ping_retries: 5
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进入bin目录，依次启动node-1001、node-1002、node-1003
查看集群状态
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| localhost:18120/_cluster/health
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显示3个节点
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| {
"cluster_name": "my-application",
"status": "green",
"timed_out": false,
"number_of_nodes": 3,
"number_of_data_nodes": 3,
"active_primary_shards": 0,
"active_shards": 0,
"relocating_shards": 0,
"initializing_shards": 0,
"unassigned_shards": 0,
"delayed_unassigned_shards": 0,
"number_of_pending_tasks": 0,
"number_of_in_flight_fetch": 0,
"task_max_waiting_in_queue_millis": 0,
"active_shards_percent_as_number": 100.0
}
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