「Elasticsearch」- 集群搭建(Elasticsearch 6.8.6) @20210126
注意事项
1)版本不同,集群配置方法不同。例如 Elasticsearch 6.8.6 与 7.6.2 的集群配置方法是不同的。
第一步、服务搭建
跳过服务部署步骤,详细参考 Elasticsearch on CentOS 笔记。
第二步、调整配置
修改每台主机的/etc/elasticsearch/elasticsearch.yml文件,修改以下地方:
# 设置集群的名称
cluster.name: production-elasticsearch-cluster
# 设置节点的名称,取当前主机名。
node.name: ${HOSTNAME}
# 设置集群节点
discovery.zen.ping.unicast.hosts: ["10.0.0.1", "10.0.0.2", "10.0.0.3"]
第三步、重启服务
重启每台主机的 Elasticsearch 服务。
第四步、查看状态
执行curl -s http://ipaddress:9200/_cluster/state/?pretty | less命令,如果产生类似如下输出,则表示集群正常:
{
"cluster_name" : "elasticsearch-cluster",
"cluster_uuid" : "Mq7wyMd9Rw2nMQHhrPB-PA",
"version" : 13,
"state_uuid" : "ZnWe0IL_TRiH1hgwQSEz-g",
"master_node" : "4LLJp6NQTbGJmTcNmkHeSg",
"blocks" : { },
"nodes" : {
"Gq1ngfj_SlSCtY1gpjZsmg" : {
"name" : "esclus-02",
"ephemeral_id" : "XFYlGhtMRYy5KOtcZl__5w",
"transport_address" : "10.10.50.218:9300",
"attributes" : {
"ml.machine_memory" : "8203100160",
"ml.max_open_jobs" : "20",
"xpack.installed" : "true",
"ml.enabled" : "true"
}
},
"4LLJp6NQTbGJmTcNmkHeSg" : {
"name" : "esclus-01",
"ephemeral_id" : "UQwkjF1kSU2sKwREgDZSOA",
"transport_address" : "10.10.50.217:9300",
"attributes" : {
"ml.machine_memory" : "8203100160",
"xpack.installed" : "true",
"ml.max_open_jobs" : "20",
"ml.enabled" : "true"
}
},
"Si-Ou_b-QBKuHQvOZ5fz-g" : {
"name" : "esclus-03",
"ephemeral_id" : "GY1mHaTiRheXSqxZbAKEHQ",
"transport_address" : "10.10.50.219:9300",
"attributes" : {
"ml.machine_memory" : "8203100160",
"ml.max_open_jobs" : "20",
"xpack.installed" : "true",
"ml.enabled" : "true"
}
}
},
......
参考文献
- WikiNotes/集群搭建(Elasticsearch 6.8.6)
- How To Set Up a Production Elasticsearch Cluster on CentOS 7
- Elasticsearch Reference [7.5] » REST APIs » Cluster APIs » Cluster state API
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