Elasticsearch Cluster

Config

• config/elasticsearch.yml

  • master

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cluster.name: elasticsearch
node.master: true
node.data: false
network.host: 0.0.0.0
discovery.zen.ping.unicast.hosts: ["127.0.0.1", "52.78.139.201"]

• data nodes

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cluster.name: elasticsearch
node.master: false
node.data: true
network.host: 0.0.0.0
discovery.zen.ping.unicast.hosts: ["127.0.0.1", "52.78.207.130"]

• Security Group
  • Don’t use 0.0.0.0/32
  • 9300
  • 9301

Performance

• open files max file descriptors [4096] for elasticsearch process likely too low, consider increasing to at least [65536]

memory setting

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ES_JAVA_OPTS="-Xms1536m -Xmx1536m" ./bin/elasticsearch