ES cluster安装

1.jdk安装

cd /usr/java;
tar  -zxvf  jdk-8u131-linux-x64.tar.gz 

vim /etc/profile
export JAVA_HOME=/usr/java/jdk1.8.0_131
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin
export PATH=$PATH:${JAVA_PATH}

2.es安装

1.官网获取下载链接，https://www.elastic.co/downloads/elasticsearch
2.解压缩
3.修改es.yml配置

cluster.name: shark
node.name: node-1
path.data: /search/data
network.host: 0.0.0.0
http.port: 9200
discovery.zen.ping.unicast.hosts: ["10.146.x.32", "10.146.x.78","10.146.x.90"]
node.data: true
http.cors.enabled: true
http.cors.allow-origin: "*"

4.修改jvm配置
修改堆内存大小为24G，不要超过32G，且不要超过本机的一半内存

3.启动

./bin/elasticsearch -d

4.错误处理

启动报错max file descriptors [65535] for elasticsearch process is too low, increase to at least [65536]
修改 /etc/security/limits.conf中的 soft nofile和hard nofile值为65536

vi /etc/security/limits.conf
# End of file
### sat-set
*                soft   nofile          65536
*                hard   nofile          65536
*                soft   nproc           unlimited
*                hard   nproc           unlimited

启动报错[1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

vi /etc/sysctl.conf
vm.max_map_count=262144