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下载安装

#进入安装目录cd /opt#下载安装包，300多Mwget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.10.1-linux-x86_64.tar.gz# 解压tar -zxvf elasticsearch-7.10.1-linux-x86_64.tar.gz# 进入es根目录cd elasticsearch-7.10.1

配置

• 修改配置文件

vim config/elasticsearch.yml#集群名词cluster.name: lizz-application# 本节点名词node.name: node-1# 服务ip，0表示所有本地ipnetwork.host: 0.0.0.0# 服务端口号http.port: 9200 # es节点列表，集群时配置多个，数组discovery.seed_hosts: ["127.0.0.1"]# es启动时，参数选主的node列表，集群时配置多个cluster.initial_master_nodes: ["node-1"]

启动

• 启动es 

bin/elasticsearch#启动失败异常java.lang.RuntimeException: can not run elasticsearch as root

• 创建esuser用户，参考
• 切换用户成功

sudo su esuser[sudo] esuser 的密码：

• 再次启动异常

bin/elasticsearch[1]: max number of threads [3882] for user [esuser] is too low, increase to at least [4096][2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144][3]: the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured

• 再次启动，增加-d后台启动，防止推出时自动环比

bin/elasticsearch -d

• 查看启动日志，文件名词与cluster.name名一致。

tailf logs/lizz-application.log

• 启动成功，查看服务

curl http://127.0.0.1:9200/{  "name" : "node-1",  "cluster_name" : "lizz-application",  "cluster_uuid" : "1ZwW2lw2RUKhqM9F1Bhu-A",  "version" : {    "number" : "7.10.1",    "build_flavor" : "default",    "build_type" : "tar",    "build_hash" : "1c34507e66d7db1211f66f3513706fdf548736aa",    "build_date" : "2020-12-05T01:00:33.671820Z",    "build_snapshot" : false,    "lucene_version" : "8.7.0",    "minimum_wire_compatibility_version" : "6.8.0",    "minimum_index_compatibility_version" : "6.0.0-beta1"  },  "tagline" : "You Know, for Search"}

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