ES

环境安装流程:

安装注意事项


  1. 1安装ecs环境是否在同一个安全组,不在则添加安全组即可

下载 Elasticsearch

访问 Elasticsearch 官网 https://www.elastic.co/cn/downloads/elasticsearch 下载安装包:


  1. 文件在/opt/下,es版本elasticsearch-6.4.2.tar.gz。文件编辑器软件(unzip-6.0-21.el7.x86_64.rpm,zip-3.0-11.el7.x86_64.rpm),kibana软件(kibana-6.4.2-x86_64.rpm)。修改主机名,增加防火墙,允许指定匹配服务访问es集群
  2. es架构环境地址,kibana只需要安装首台192.168.1.1:

192.168.1.1(mdi)

192.168.1.2(mdi)

192.168.1.3(data)

192.168.1.4(data)



一、分区

  1. 登录192.168.1.1修改主机名,分区挂载,建立目录,加载到启动服务
[root@192.168.1.1 ~] hostnamectl set-hostname ES-1
[root@ES-1 ~] fdisk /dev/vdb 输入n
p
1
回车
回车
W
[root@ES-1 ~] fdisk /dev/vdb && mkfs -t ext4 /dev/vdb1
[root@ES-1 ~]mkdir -p /data
[root@ES-1 ~]mount /dev/vdb1 /data
[root@ES-1 ~]echo '/dev/vdb1 /data ext4 defaults 0 0' >> /etc/fstab

Elasticsearch环境安装



2.1下载相应版本后,登录192.168.1.1后,创建目录,elasticsearch安装解压文件,创建用户组,用户目录,修改es配置文件和系统配置,以及制作启动目录

[root@ES-1 ~] # mkdir -p /data/elasticsearch
[root@ES-1 ~]mkdir -p /data/elasticsearch/esdata/{log,data}
[root@ES-1 ~] # cd /opt/
[root@ES-1 ~] tar -zxvf elasticsearch-6.4.2.tar.gz -C /data/elasticsearch
[root@ES-1 ~] # groupadd esuser
[root@ES-1 ~] # useradd -g esuser -m esuser
2.2、安装kibana软件和其他编辑器
[root@ES-1 ~]# rpm -ivh /opt/kibana-6.4.2-x86_64.rpm
[root@ES-1 ~]# rpm -ivh /opt/zip-3.0-11.el7.x86_64.rpm
[root@ES-1 ~]#rpm -ivh /opt/unzip-6.0-21.el7.x86_64.rpm
2.3、配置系统参数修改,生效以及配置es配置文件
[root@ES-1 ~]#
Vim /etc/security/limits.conf追加以下参数
esuser soft memlock unlimited
esuser hard memlock unlimited
esuser soft nofile 65536
esuser hard nofile 65536
* soft nofile 65536
* hard nofile 65536
* soft nproc 4096
* hard nproc 4096
root soft nproc 4096
root hard nproc 4096
[root@ES-1 ~]#vim /etc/sysctl.conf追加
vm.max_map_count = 262144
[root@ES-1 ~]vim /etc/sudoers追加
esuser    ALL=(ALL)       ALL
[root@ES-1 ~]sysctl -p
[root@ES-1 ~] vim /data/elasticsearch/elasticsearch-6.4.2/config/elasticsearch.yml追加如下参数
cluster.name: postal   #集群名
node.name: node    #节点名
network.host: 192.168.1.1   #主机ip
bootstrap.memory_lock: true  #内存锁开启
http.port: 8080 #端口http8080
http.cors.enabled: true   
http.cors.allow-origin: "*"
node.master: true  #规划是mdi所以为true
node.data: true #规划是mdi所以为true
node.ingest: true #规划是mdi所以为true
discovery.zen.ping.unicast.hosts: ["192.168.1.1"]  #集群节点
discovery.zen.minimum_master_nodes: 1   #最小主节点1
path.data: /data/elasticsearch/esdata/data  #数据目录
path.logs: /data/elasticsearch/esdata/log #日志目录
[root@ES-1 ~] vim /data/elasticsearch/elasticsearch-6.4.2/config/jvm.options 修改Xms1g为Xms8g,改Xmx1g 为Xmx8g
2.4、做启动服务,使用默认配置文件启动服务
[root@ES-1 ~]# vim /usr/lib/systemd/system/elasticsearch.service
[Unit]
Description=Elasticsearch Server Manager
Documentation=http://www.elastic.co
Wants=network-online.target
After=network-online.target
[Service]
EnvironmentFile=-/etc/sysconfig/elasticsearch
WorkingDirectory=/data/elasticsearch/elasticsearch-6.4.2
User=esuser
Group=esuser
ExecStart=/data/elasticsearch/elasticsearch-6.4.2/bin/elasticsearch
StandardOutput=journal
StandardError=inherit
# Specifies the maximum file descriptor number that can be opened by this process
LimitNOFILE=65536
# Specifies the maximum number of processes ,min=4096
LimitNPROC=4096
# in elasticsearch.yml and 'MAX_LOCKED_MEMORY=unlimited' in /etc/sysconfig/elasticsearch
LimitMEMLOCK=infinity
# Disable timeout logic and wait until process is stopped
TimeoutStopSec=0
# SIGTERM signal is used to stop the Java process
KillSignal=SIGTERM
# Send the signal only to the JVM rather than its control group
KillMode=process
# Java process is never killed
SendSIGKILL=no
# When a JVM receives a SIGTERM signal it exits with code 143
SuccessExitStatus=143
[Install]
WantedBy=multi-user.target
[root@ES-1 ~]chmod +x /usr/lib/systemd/system/elasticsearch.service
2.5、赋予权。设置启动,和启动elasticsearch.确认端口8080是否正常运行,并查看节点为mdi
[root@ES-1 ~]# chown -R esuser /data/elasticsearch/
[root@ES-1 ~]# systemctl enable elasticsearch.service
[root@ES-1 ~]# systemctl start  elasticsearch.service
[root@ES-1 ~]#netstat -tulpen | grep 8080
2.6、浏配置kibana文件,查看端口是否正常
[root@ES-1 ~]#vim /etc/kibana/kibana.yml 追加到
server.port: 9999
server.host: "192.168.1.1"
elasticsearch.url: "http://192.168.1.1:8080"
[root@ES-1 ~]#systemctl restart kibana
[root@ES-1 ~]#netstat -tulpen | grep 9999
2.7、开启防火墙加四个节点的策略,没安装kibana的不需要开9999端口
[root@ES-1 ~]#systemctl start firewalld.service
[root@ES-1 ~]#
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.1" port  protocol="tcp" port="8080" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.2" port  protocol="tcp" port="8080" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.3" port  protocol="tcp" port="8080" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.4" port  protocol="tcp" port="8080" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.1" port  protocol="tcp" port="9300" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.2" port  protocol="tcp" port="9300" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.3" port  protocol="tcp" port="9300" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="192.168.1.4" port  protocol="tcp" port="9300" accept"
firewall-cmd --permanent --add-rich-rule="rule family="ipv4"  source address="需要访问kibana的网段" port protocol="tcp" port="9999" accept"
 [root@ES-1 ~]#firewall-cmd --reload&& firewall-cmd --list-all
三、192.168.1.2ES环境安装
3.1、在远程linux1192.168.1.2(mdi)节点主机安装ES,操作如上(二)步骤。注意修改ES配置,不需要安装kibana
[root@192.168.1.2
cluster.name: postal   #集群名
node.name: node    #节点名
network.host: 192.168.1.2   #主机ip
bootstrap.memory_lock: true  #内存锁开启
http.port: 8080#端口http8080
http.cors.enabled: true   
http.cors.allow-origin: "*"
node.master: true  #规划是mdi所以为true
node.data: true #规划是mdi所以为true
node.ingest: true #规划是mdi所以为true
discovery.zen.ping.unicast.hosts: ["192.168.1.1"]  #集群节点
discovery.zen.minimum_master_nodes: 1   #最小主节点1
path.data: /data/elasticsearch/esdata/data  #数据目录
path.logs: /data/elasticsearch/esdata/log #日志目录
四、192.168.1.3(data)ES环境安装
4.1、操作如二步骤,不需要安装kibana修改一下配置文件
[root@ES-1 ~] vim /data/elasticsearch/elasticsearch-6.4.2/config/elasticsearch.yml追加如下参数
cluster.name: postal   #集群名
node.name: node    #节点名
network.host: 192.168.1.3   #主机ip
bootstrap.memory_lock: true  #内存锁开启
http.port: 8080 #端口http8080
http.cors.enabled: true   
http.cors.allow-origin: "*"
node.master: false#规划是mdi所以为true
node.data: true #规划是mdi所以为true
node.ingest: false #规划是mdi所以为true
discovery.zen.ping.unicast.hosts: ["192.168.1.1"]  #集群节点
discovery.zen.minimum_master_nodes: 1   #最小主节点1
path.data: /data/elasticsearch/esdata/data  #数据目录
path.logs: /data/elasticsearch/esdata/log #日志目录
[root@ES-1 ~] vim /data/elasticsearch/elasticsearch-6.4.2/config/jvm.options 修改Xms1g为Xms8g,改Xmx1g 为Xmx8g
4.2、192.168.1.4上登录安装es数据节点,操作如二,不需要安装kibana.修改配置文件如下,节点查看,防火墙查看。
[root@server~]# [root@ES-1 ~] vim /data/elasticsearch/elasticsearch-6.4.2/config/elasticsearch.yml追加如下参数
cluster.name: postal   #集群名
node.name: node    #节点名
network.host: 192.168.1.4   #主机ip
bootstrap.memory_lock: true  #内存锁开启
http.port: 8080 #端口http8080
http.cors.enabled: true   
http.cors.allow-origin: "*"
node.master: false#规划是mdi所以为true
node.data: true #规划是mdi所以为true
node.ingest: false #规划是mdi所以为true
discovery.zen.ping.unicast.hosts: ["192.168.1.1"]  #集群节点
discovery.zen.minimum_master_nodes: 1   #最小主节点1
path.data: /data/elasticsearch/esdata/data  #数据目录
path.logs: /data/elasticsearch/esdata/log #日志目录
[root@ES-1 ~] vim /data/elasticsearch/elasticsearch-6.4.2/config/jvm.options 修改Xms1g为Xms8g,改Xmx1g 为Xmx8g
• 创建索引数据
5.1、登录192.168.1.1查看节点状态
[root@ES-1 ~] curl 192.168.1.1:8080/_cat/nodes