環境信息:
Centos 7.2
elasticsearch-6.5.4
host111: 192.168.100.111
host112: 192.168.100.112
提示: 生產環境中ES最少部署三個節點,我是做測試,只部署了兩個節點
一、安裝JDK
mkdir -p /usr/java
tar zxvf jdk-8u181-linux-x64.tar.gz -C /usr/java/
在/etc/profile中添加JDK環境變量
export JAVA_HOME=/usr/java/jdk1.8.0_181
export CLASSPATH=$JAVA_HOME/lib/
export PATH=$PATH:$JAVA_HOME/bin
執行下面的命令使配置生效
source /etc/profile
二、安裝ES
1. 部署
useradd elastic
tar zxvf elasticsearch-6.5.4.tar.gz -C /home/elastic/
chown -R elastic:elastic /home/elastic
mkdir -p /data/elastic/
chown -R elastic:elastic /data/elastic
2. 配置
ES安裝對操作系統配置有一些要求,所以需要修改系統參數。
1 修改/etc/security/limits.conf文件,添加下面的內容:
elastic soft nofile 65536
elastic hard nofile 65536
elastic soft memlock unlimited
elastic hard memlock unlimited
2 修改/etc/sysctl.conf文件,添加下面的內容:
fs.file-max = 655350
vm.max_map_count = 262144
執行sysctl -p使修改生效
3 配置elasticsearch.yml
host111中elasticsearch.yml配置如下:
cluster.name: fl-elastic-cluster
node.name: node1
path.data: /data/elastic
path.logs: /home/elastic/logs
bootstrap.memory_lock: true
network.host: 192.168.100.111
http.port: 9200
discovery.zen.ping.unicast.hosts: ["host111", "host112"]
discovery.zen.minimum_master_nodes: 1 # 配置爲集羣節點總數/2 + 1
host112中elasticsearch.yml配置如下:
cluster.name: fl-elastic-cluster
node.name: node2
path.data: /data/elastic
path.logs: /home/elastic/logs
bootstrap.memory_lock: true
network.host: 192.168.100.112
http.port: 9200
discovery.zen.ping.unicast.hosts: ["host111", "host112"]
discovery.zen.minimum_master_nodes: 1 # 配置爲集羣節點總數/2 + 1
3. 啓動
host111和host112都執行下面的啓動命令
su - elastic
cd bin
./elasticsearch -d
4. 驗證
# curl host111:9200
{
"name" : "node1",
"cluster_name" : "fl-elastic-cluster",
"cluster_uuid" : "96APt8LxTZ2220hsjdYhNg",
"version" : {
"number" : "6.5.4",
"build_flavor" : "default",
"build_type" : "tar",
"build_hash" : "d2ef93d",
"build_date" : "2018-12-17T21:17:40.758843Z",
"build_snapshot" : false,
"lucene_version" : "7.5.0",
"minimum_wire_compatibility_version" : "5.6.0",
"minimum_index_compatibility_version" : "5.0.0"
},
"tagline" : "You Know, for Search"
}