es集群的安装与配置
时间：2020-03-05 18:49:34
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安装es7.5.1
主机：
192.168.1.234
192.168.1.233
192.168.1.240
系统：
centos7
安装包：
安装前准备：
#设置内核参数
/etc/sysctl.conf
vm.max_map_count=655360
/sbin/sysctl –p
#设置文件描述符限制
vi /etc/security/limits.conf
* soft nofile 65536
* hard nofile 131072
* soft nproc 2048
* hard nproc 4096
vi /etc/security/limits.d/90-nproc.conf
* soft nproc 4096
#解决：Centos6不支持SecComp，而ES5.2.0默认bootstrap.system_call_filter为true
vim config/elasticsearch.yml
添加：
bootstrap.system_call_filter: false
安装es集群
1、创建普通用户elastic
useradd elastic
2、安装elasticsearch
将文件解压解压路径为/home/elastic
3、配置es集群
node01:
cluster.name: es-itcast-cluster
node.name: node01
node.master: true
node.data: true
network.host: 192.168.1.234(或者0.0.0.0)
discovery.zen.ping.unicast.hosts: ["192.168.1.234","192.168.1.233","192.168.1.240"]
cluster.initial_master_nodes: [node01,node02,node03]
discovery.zen.minimum_master_nodes: 2
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
http.port: 9200
transport.port: 9300
node.name: node01
node.master: true
node.data: true
network.host: 192.168.1.234(或者0.0.0.0)
discovery.zen.ping.unicast.hosts: ["192.168.1.234","192.168.1.233","192.168.1.240"]
cluster.initial_master_nodes: [node01,node02,node03]
discovery.zen.minimum_master_nodes: 2
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
http.port: 9200
transport.port: 9300
discovery.zen.fd.ping_timeout: 1m
discovery.zen.fd.ping_retries: 5
discovery.zen.fd.ping_retries: 5
discovery.zen.fd.ping_retries: 5
node02:
cluster.name: es-itcast-cluster
node.name: node02
node.master: true
node.data: true
network.host: 192.168.1.234(或者0.0.0.0)
discovery.zen.ping.unicast.hosts: ["192.168.1.234","192.168.1.233","192.168.1.240"]
cluster.initial_master_nodes: [node01,node02,node03]
discovery.zen.minimum_master_nodes: 2
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
http.port: 9200
transport.port: 9300
discovery.zen.fd.ping_timeout: 1mnode.name: node02
node.master: true
node.data: true
network.host: 192.168.1.234(或者0.0.0.0)
discovery.zen.ping.unicast.hosts: ["192.168.1.234","192.168.1.233","192.168.1.240"]
cluster.initial_master_nodes: [node01,node02,node03]
discovery.zen.minimum_master_nodes: 2
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
http.port: 9200
transport.port: 9300
discovery.zen.fd.ping_retries: 5
node03:
cluster.name: es-itcast-cluster
node.name: node03
node.master: true
node.data: true
network.host: 192.168.1.240(或者0.0.0.0)
discovery.zen.ping.unicast.hosts: ["192.168.1.234","192.168.1.233","192.168.1.240"]
cluster.initial_master_nodes: [node01,node02,node03]
discovery.zen.minimum_master_nodes: 2
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
http.port: 9200
transport.port: 9300
discovery.zen.fd.ping_timeout: 1mnode.name: node03
node.master: true
node.data: true
network.host: 192.168.1.240(或者0.0.0.0)
discovery.zen.ping.unicast.hosts: ["192.168.1.234","192.168.1.233","192.168.1.240"]
cluster.initial_master_nodes: [node01,node02,node03]
discovery.zen.minimum_master_nodes: 2
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
http.port: 9200
transport.port: 9300
discovery.zen.fd.ping_retries: 5
4、更改文件权限
chown -R elastic.elastic /home/elastic
chown -R elastic.elastic /var/lib/elasticsearch
chown -R elastic.elastic /var/log/elasticsearch
原文：https://www.cnblogs.com/fat-girl-spring/p/12421746.html
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