Elasticsearch - установка на CentOS 7

# rpm --import https://packages.elastic.co/GPG-KEY-elasticsearch
# vi /etc/yum.repos.d/elasticsearch.repo
[elasticsearch-2.x]
name=Elasticsearch repository for 2.x packages
baseurl=https://packages.elastic.co/elasticsearch/2.x/centos
gpgcheck=1
gpgkey=https://packages.elastic.co/GPG-KEY-elasticsearch
enabled=1

# yum repolist
# yum install elasticsearch
# systemctl daemon-reload
# systemctl enable elasticsearch.service

Обязательно доустанавливаем Java 8:

# yum install java-1.8.0-openjdk.x86_64
# java -version
openjdk version "1.8.0_101"
OpenJDK Runtime Environment (build 1.8.0_101-b13)
OpenJDK 64-Bit Server VM (build 25.101-b13, mixed mode)

Запускаем эластик:

# systemctl start elasticsearch
# systemctl status elasticsearch
● elasticsearch.service - Elasticsearch
  Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: disabled)
  Active: active (running) since Tue 2016-07-26 04:01:02 EDT; 5s ago
    Docs: http://www.elastic.co
 Process: 693 ExecStartPre=/usr/share/elasticsearch/bin/elasticsearch-systemd-pre-exec (code=exited, status=0/SUCCESS)
Main PID: 696 (java)
  CGroup: /system.slice/elasticsearch.service
          └─696 /bin/java -Xms256m -Xmx1g -Djava.awt.headless=true -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=...
Jul 26 04:01:03 anton.test.com elasticsearch[696]: [2016-07-26 08:01:03,000][INFO ][node                     ] [Saturnyne] version[2.3.4]...24:31Z]
Jul 26 04:01:03 anton.test.com elasticsearch[696]: [2016-07-26 08:01:03,001][INFO ][node                     ] [Saturnyne] initializing ...
Jul 26 04:01:03 anton.test.com elasticsearch[696]: [2016-07-26 08:01:03,515][INFO ][plugins                  ] [Saturnyne] modules [reind...ites []
Jul 26 04:01:03 anton.test.com elasticsearch[696]: [2016-07-26 08:01:03,561][INFO ][env                      ] [Saturnyne] using [1] data... [ext4]
Jul 26 04:01:03 anton.test.com elasticsearch[696]: [2016-07-26 08:01:03,562][INFO ][env                      ] [Saturnyne] heap size [989... [true]
Jul 26 04:01:03 anton.test.com elasticsearch[696]: [2016-07-26 08:01:03,563][WARN ][env                      ] [Saturnyne] max file descr...[65536]
Jul 26 04:01:05 anton.test.com elasticsearch[696]: [2016-07-26 08:01:05,429][INFO ][node                     ] [Saturnyne] initialized
Jul 26 04:01:05 anton.test.com elasticsearch[696]: [2016-07-26 08:01:05,430][INFO ][node                     ] [Saturnyne] starting ...
Jul 26 04:01:05 anton.test.com elasticsearch[696]: [2016-07-26 08:01:05,523][INFO ][transport                ] [Saturnyne] publish_addres...1:9300}
Jul 26 04:01:05 anton.test.com elasticsearch[696]: [2016-07-26 08:01:05,527][INFO ][discovery                ] [Saturnyne] elasticsearch/...sOi2AXQ

# netstat -nlp | grep java
tcp        0      0 127.0.0.1:9300          0.0.0.0:*               LISTEN      696/java
tcp        0      0 127.0.0.1:9200          0.0.0.0:*               LISTEN      696/java

Проверка

# curl -X GET http://127.0.0.1:9200
{
 "name" : "Saturnyne",
 "cluster_name" : "elasticsearch",
 "version" : {
   "number" : "2.3.4",
   "build_hash" : "e455fd0c13dceca8dbbdbb1665d068ae55dabe3f",
   "build_timestamp" : "2016-06-30T11:24:31Z",
   "build_snapshot" : false,
   "lucene_version" : "5.5.0"
 },
 "tagline" : "You Know, for Search"
}

Link:

https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html