安迪兒隨手貼

最近測東西，都用整理好的docker Elasticsearch叢集
有點忘了之前Elasticsearch建置方式
補貼上去年建的Elasticsearch步驟當備忘用

1. Install Java

官方是說
[Elasticsearch recommends Oracle JDK version 1.8.0_73]

這邊可以使用OpenJDK 7或Oracle JDK 8

OpenJDK 7

sudo apt-get update  
sudo apt-get install openjdk-7-jre  
java -version  

Oracle JDK 8

sudo add-apt-repository -y ppa:webupd8team/java  
sudo apt-get update    
sudo apt-get -y install oracle-java8-installer   
java -version  

2. Installing Elasticsearch 1.7.2

sudo wget https://download.elastic.co/Elasticsearch/Elasticsearch/Elasticsearch-1.7.2.deb  
sudo dpkg -i Elasticsearch-1.7.2.deb  

3. Installing plugin

• head
  sudo /usr/share/Elasticsearch/bin/plugin -install mobz/Elasticsearch-head
• marvel
  sudo /usr/share/Elasticsearch/bin/plugin -install Elasticsearch/marvel/latest
  
• jdbc river
  版本參考 http://xbib.org/repository/org/xbib/Elasticsearch/plugin/Elasticsearch-river-jdbc/
  plugin --install jdbc --url http://xbib.org/repository/org/xbib/Elasticsearch/plugin/Elasticsearch-river-jdbc/1.5.0.5/Elasticsearch-river-jdbc-1.5.0.5-plugin.zip
• jdbc postgresql
  版本參考列表
  https://jdbc.postgresql.org/download.html
  https://github.com/jprante/Elasticsearch-jdbc
  

wget https://jdbc.postgresql.org/download/postgresql-9.4-1204.jdbc4.jar
wget https://jdbc.postgresql.org/download/postgresql-9.4-1204.jdbc42.jar
/usr/share/Elasticsearch/plugins/jdbc  

4. Configuring Elasticsearch

一些Elasticsearch檔案路徑
- /usr/share/Elasticsearch
- /etc/Elasticsearch
- /etc/init.d/Elasticsearch

sudo update-rc.d Elasticsearch defaults  

設定Elasticsearch.yml檔

sudo nano /etc/Elasticsearch/Elasticsearch.yml  

參考內容:

marvel.agent.enabled: false
cluster.name: bowwow
node.name: pro-bowwow
node.master: true
node.data: true
index.number_of_shards: 5
bootstrap.mlockall: true
index.cache.field.max_size: 50000
index.cache.field.expire: 10m
index.cache.field.type: soft
threadpool.index.type: fixed
threadpool.index.size: 100
threadpool.index.queue_size: 500
#discovery.zen.ping.multicast.enabled: false  
#discovery.zen.ping.unicast.hosts: ["pro-bowwow","node1","node2"]

th:
data: /data/data
logs: /data/log
plugins: /data/plugins
work: /data/work

http.cors.allow-origin: "/.*/"
http.cors.enabled: true

5. 設定完成

啟用服務嘍

sudo service Elasticsearch start  

測試一下

curl localhost:9200

從db建一些測試資料進去

測一下7萬筆資料內搜尋的效能

ab -n 1000 -c 10  "http://demo/songs/data/_search?&q=id:100"

嗯~~測了一下，從數千筆資料搜尋和從7萬多筆資料搜尋，Requests per second數差不多

收工嘍~收工嘍~

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