環境說明:
服務器(系統版本 centos7)
elasticsearch版本: elasticsearch-6.2.2
elasticsearch目錄: /home/soft/
192.168.33.10 master
192.168.33.11 master data
192.168.33.12 master data
一、創建es運行帳號 【三臺機器都統一用戶爲es】
useradd es
passwd es
二、創建數據目錄與日誌目錄【三臺機器都一樣】
mkdir -p /home/soft/elasticsearch-6.2.2/data/data/
mkdir -p /home/soft/elasticsearch-6.2.2/data/logs/
三、修改目錄權限[三臺機器都一樣]
chown -R es:es /home/soft/elasticsearch-6.2.2
四、修改配置信息
一. 192.168.33.10 配置信息:
cluster.name: my-application
node.name: node-192-168-33-10
path.data: /home/soft/elasticsearch-6.2.2/esData/data
path.logs: /home/soft/elasticsearch-6.2.2/esData/logs
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
network.host: 192.168.33.10
http.port: 9200
discovery.zen.ping.unicast.hosts: ["192.168.33.10:9300","192.168.33.11:9300","192.168.33.12:9300"]
discovery.zen.minimum_master_nodes: 2
gateway.recover_after_nodes: 3
node.master: true
node.data: false
node.ingest: false
search.remote.connect: false
二、192.168.33.11 配置信息:
cluster.name: my-application
**node.name: node-192-168-33-11**
path.data: /home/soft/elasticsearch-6.2.2/esData/data/
path.logs: /home/soft/elasticsearch-6.2.2/esData/logs/
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
**network.host: 192.168.33.11**
http.port: 9200
discovery.zen.ping.unicast.hosts: ["192.168.33.10:9300","192.168.33.11:9300","192.168.33.12:9300"]
discovery.zen.minimum_master_nodes: 2
gateway.recover_after_nodes: 3
node.master: true
** node.data: true**
node.ingest: false
search.remote.connect: false
三、192.168.33.12 配置信息
cluster.name: my-application
**node.name: node-12**
path.data: /home/soft/elasticsearch-6.2.2/esData/data/
path.logs: /home/soft/elasticsearch-6.2.2/esData/logs/
bootstrap.memory_lock: false
bootstrap.system_call_filter: false
** network.host: 192.168.33.12**
http.port: 9200
discovery.zen.ping.unicast.hosts: ["192.168.33.10:9300","192.168.33.11:9300","192.168.33.12:9300"]
discovery.zen.minimum_master_nodes: 2
gateway.recover_after_nodes: 3
node.master: true
node.data: true
node.ingest: false
search.remote.connect: false
四,用es用戶的身份啓動elasticsearch-6.2.2 [三臺機器]
./bin/elasticsearch
啓動成功之後,用CURL 請求測試集羣是否搭建成功。
curl http://192.168.33.11:9200/_cat/nodes?v
此時,一個簡單的集羣已經搭建成功,現在是node-12爲master節點。
說明:
3臺機器的cluster.name值必須一樣,node.name值必須不一樣。
在啓動過程中遇到的問題列表:
-
解決辦法:
vim /etc/security/limits.conf,新加兩行:
es soft nofile 65536
es hard nofile 65536
es soft nproc 4096
es hard nproc 4096
-
解決辦法:
discovery.zen.ping.unicast.hosts配置信息時把端口加上
bootstrap.memory_lock: false
bootstrap.system_call_filter: false3.
解決辦法 : su root
vim /etc/security/limits.d/90-nproc.conf- soft nproc 4096 [1024改爲4096]
4.
解決辦法:
vim /etc/sysctl.conf
添加: vm.max_map_count=655360
sysctl -p
- soft nproc 4096 [1024改爲4096]