Elasticsearch 安装详情

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[root@localhost ~]# su elsearch                      # 切换用户

[elsearch@localhost ~]# cd elasticsearch-7.6.0/   

[elsearch@localhost ~]# bin/elasticsearch　          # 正常启动命令

[elsearch@localhost ~]# bin/elasticsearch -d         # 守护进程启动

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{

  "name" : "VM_0_9_centos",                               # 默认启动的时候指定了 ES 实例名称.

  "cluster_name" : "elasticsearch",                       # 默认名为 elasticsearch

  "cluster_uuid" : "noTo0yvOQBeMtZXh9D0frQ",

  "version" : {                                           # 版本信息

    "number" : "7.6.0",

    ......

  },

  "tagline" : "You Know, for Search"

}

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ip        heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name

127.0.0.1           45          83   1    0.00    0.01     0.08 dilm      *      VM_0_9_centos

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network.host: 0.0.0.0

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ERROR: [2] bootstrap checks failed

[1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

[2]: 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　

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# ---------------------------------- Cluster ---------------------------------------------------

cluster.name: my-application   ES集群名称，以此作为是否同一集群的判断条件，相同集群内的节点设置相同的集群名。

# ----------------------------------- Node -----------------------------------------------------

node.name: node-1              ES节点名称，以此作为集群中不同节点的区分条件，即实例名。

# ----------------------------------- Paths ----------------------------------------------------

path.data: /path/to/data       数据存储地址，指定了存储文档数据目录

path.logs: /path/to/logs       日志存储地址，注意这里要改成实际路径

# ---------------------------------- Network ---------------------------------------------------

network.host: 127.0.0.1        网络地址和端口，用于 http 和 transport 服务使用

http.port: 9200

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[elsearch@localhost ~]# bin/elasticsearch -Ehttp.port=19200

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[elsearch@localhost ~]# bin/elasticsearch　　

[elsearch@localhost ~]# bin/elasticsearch -E http.port=7200 -E path.data=node2

[elsearch@localhost ~]# bin/elasticsearch -E http.port=8200 -E path.data=node3

# [elsearch@localhost ~]# bin/elasticsearch -E node.name=node01 -E cluster.name=bysocket_es_cluster -E path.data=node01_data -d

# [elsearch@localhost ~]# bin/elasticsearch -E node.name=node02 -E cluster.name=bysocket_es_cluster -E path.data=node02_data -d

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[root@localhost ~]# ps -ef | grep elasticsearch           # 找到elasticsearch线程

[root@localhost ~]# kill -9 pid                           # 杀死elasticsearch线程