服务

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主机名

服务

IP地址

cat >> /etc/security/limits.conf << EOF

• hard nofile 65536
  

• soft nproc 2048
  

• hard nproc 4096
  

• soft memlock unlimited
  

• hard memlock unlimited
  EOF

cat >> /etc/sysctl.conf << EOF
vm.max_map_count=655360
fs.file-max=655360
EOF
sysctl -p

永久关闭：
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
临时关闭：
setenforce 0

永久关闭（需重启系统）：
sed -ri 's/.swap./#&/' /etc/fstab 
echo vm.swappiness=0 >> /etc/sysctl.conf
临时关闭：
swapoff -a

cat >> /etc/hosts << EOF
es-1 10.100.13.52
es-2 10.100.13.46
es-3 10.100.11.93
EOF

wget

rpm -ivh elasticsearch-7.5.1-x86_64.rpm

/usr/share/elasticsearch/bin/elasticsearch-certutil cert -out /etc/elasticsearch/elastic-certificates.p12 -pass ""

scp /etc/elasticsearch/elastic-certificates.p12 10.100.13.46:/etc/elasticsearch/
scp /etc/elasticsearch/elastic-certificates.p12 10.100.13.52:/etc/elasticsearch/

cluster.name: my-application #自定义es集群名称
node.name: es-1 #不同节点需设置不同名称
path.data: /var/lib/elasticsearch #自定义数据目录
path.logs: /var/log/elasticsearch #自定义日志目录
network.host: 10.100.11.93 #修改为本机IP
http.port: 9200
<![CDATA[discovery.seed_hosts: ["10.100.11.93:9300", "10.100.13.46:9300", "10.100.13.52:9300"]
]]>
<![CDATA[cluster.initial_master_nodes: ["es-1"]
]]>
discovery.zen.minimum_master_nodes: 2
#配置是否支持跨域
http.cors.enabled: true
http.cors.allow-origin: "*"
http.cors.allow-headers: Authorization
#http.cors.allow-credentials: true
#开启x-pack
xpack.security.enabled: true
xpack.security.transport.ssl.enabled: true
#xpack.security.transport.ssl.verification_mode: none
xpack.security.transport.ssl.verification_mode: certificate
##配置生成的ca证书
xpack.security.transport.ssl.keystore.path: elastic-certificates.p12
xpack.security.transport.ssl.truststore.path: elastic-certificates.p12

-Xms4g
-Xmx4g

systemctl start elasticsearch

/usr/share/elasticsearch/bin/elasticsearch-setup-passwords interactive

curl -XGET

-u elastic:elastic@202122
{
"cluster_name" : "my-application",
"status" : "green",
"timed_out" : false,
"number_of_nodes" : 3,
"number_of_data_nodes" : 3,
"active_primary_shards" : 9,
"active_shards" : 18,
"relocating_shards" : 0,
"initializing_shards" : 0,
"unassigned_shards" : 0,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 0,
"task_max_waiting_in_queue_millis" : 0,
"active_shards_percent_as_number" : 100.0
}