1、Elasticsearch安装
# cd /usr/local
下载：
wgethttps://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/zip/elasticsearch/2.3.2/elasticsearch-2.3.2.zip
# unzip elasticsearch-2.3.2.zip
# mkdir -p /data/logs/elasticsearch
# mkdir -p /data/elasticsearch/{data,work,plugins,scripts}
# useradd elasticsearch -s /bin/bash
# chown -R elasticsearch:elasticsearch /data/logs/elasticsearch /data/elasticsearch
2、Elasticsearch配置
1）主配置（./config/elasticsearch.yml）
qc-hermes-es-1：
cluster.name: qc-hermes-search-cluster
node.name: qc-hermes-es-1 #同hostname cat /etc/hostname
path.data: /data/elasticsearch/data
path.logs: /data/logs/elasticsearch
path.plugins: /data/elasticsearch/plugins
path.scripts: /data/elasticsearch/scripts
bootstrap.mlockall: true
network.host: 192.168.0.10 #本机IP地址
http.port: 9200
discovery.zen.ping.unicast.hosts: ["qc-hermes-es-1:9200", "qc-hermes-es-2:9200"]
node.master: true
node.data: true
index.number_of_shards: 8
index.number_of_replicas: 1
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2）服务启动
# cd /opt/elasticsearch
# su elasticsearch （注意：root账号会报错）
$ bin/elasticsearch -d
说明：2.x的版本需要以普通用户权限启动，否则会报错，无法正常启动。
3）验证启动成功：
