3台服务器对应3个node,分别如下:
node1:192.168.1.101
node2:192.168.1.102
node3:192.168.1.103
本人以安装7.6.2版本进行详细说明
下载地址:
https://www.elastic.co/cn/downloads/past-releases/elasticsearch-7-6-2
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.6.2-linux-x86_64.tar.gz
$tar -zxvf elasticsearch-7.6.2-linux-x86_64.tar.gz
$mv elasticsearch-7.6.2 /usr/local/elasticsearch
3.1、修改elasticsearch.yml
$vi /usr/local/elasticsearch/config/elasticsearch.yml
cluster.name: my-cluster
node.name: node-1
path.data: /data/es/data
path.logs: /data/es/logs
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
network.host: 192.168.1.101 #实际服务器ip地址
http.port: 9200
discovery.seed_hosts: [“192.168.1.101”, “192.168.1.102”, “192.168.1.103”]
cluster.initial_master_nodes: [“node-1”, “node-2”, “node-3”]
cluster.name: my-cluster
node.name: node-2
path.data: /data/es/data
path.logs: /data/es/logs
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
network.host: 192.168.1.102 #实际服务器ip地址
http.port: 9200
discovery.seed_hosts: [“192.168.1.101”, “192.168.1.102”, “192.168.1.103”]
cluster.initial_master_nodes: [“node-1”, “node-2”, “node-3”]
cluster.name: my-cluster
node.name: node-3
path.data: /data/es/data
path.logs: /data/es/logs
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
network.host: 192.168.1.103 #实际服务器ip地址
http.port: 9200
discovery.seed_hosts: [“192.168.1.101”, “192.168.1.102”, “192.168.1.103”]
cluster.initial_master_nodes: [“node-1”, “node-2”, “node-3”]
3.2、修改 jvm.options
$vi /usr/local/elasticsearch/config/jvm.options
主要设定 -Xms、-Xmx,最大不超过物理内存的一半
-Xms4g
-Xmx4g
4.1、修改操作系统内核参数配置
$vi /etc/security/limits.conf
#设定用户最大可创建文件数
es soft nofile 65536
es hard nofile 131072
4.2、修改linux虚拟内存空间及swap使用率
$vi /etc/sysctl.conf
vm.max_map_count=655360
vm.swappiness=1
4.3 执行sysctl 使配置生效
$sysctl -p
4.4、修改本地线程数
$ vi /etc/security/limits.d/20-nproc.conf
adduser es #创建普通用户
passwd es #修改es用户密码(需连续输入2次) 此处设置密码为My-12345678
$vi /etc/sudoers #编辑sudoers, 添加如下配置
es ALL=(ALL) NOPASSWD: ALL
$mkdir /data/es
$mkdir /data/es/data
$mkdir /data/es/logs
$su es
$sudo chown -R es:es /usr/local/elasticsearch
$sudo chown -R es:es /data/es
$cd /usr/local/elasticsearch/bin
$./elasticsearch -d 后台运行
curl --user elastic:My-12345678 192.168.1.101:9200
或
curl --user elastic:My-12345678 http://192.168.1.101:9200
返回如下内容即为安装成功
{
“name” : “node-1”,
“cluster_name” : “my-cluster”,
“cluster_uuid” : “q_BqoZniTNqaRMagjxqXmw”,
“version” : {
“number” : “7.6.2”,
“build_flavor” : “default”,
“build_type” : “tar”,
“build_hash” : “ef48eb35cf30adf4db14086e8aabd07ef6fb113f”,
“build_date” : “2020-03-26T06:34:37.794943Z”,
“build_snapshot” : false,
“lucene_version” : “8.4.0”,
“minimum_wire_compatibility_version” : “6.8.0”,
“minimum_index_compatibility_version” : “6.0.0-beta1”
},
“tagline” : “You Know, for Search”
}