elasticsearch

elasticsearch系列笔记(一) 基础知识

install

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启动docker
docker run -ti --name es -p 9200:9200 ubuntu:14.04 /bin/bash

更新系统
apt-get update
apt-get upgrade
apt-get install software-properties-common

安装java
add-apt-repository ppa:webupd8team/java
apt-get update
apt-get install oracle-java8-installer

安装es
wget -qO - https://packages.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
echo "deb https://packages.elastic.co/elasticsearch/2.x/debian stable main" >> /etc/apt/sources.list
apt-get update && apt-get install elasticsearch
update-rc.d elasticsearch defaults 95 10
/etc/init.d/elasticsearch start

test

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curl -X GET 'http://172.17.0.2:9200'

install marvel

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/usr/share/elasticsearch/bin/plugin -i elasticsearch/marvel/latest
/etc/init.d/elasticsearch restart

api

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curl -X<VERB> '<PROTOCOL>://<HOST>:<PORT>/<PATH>?<QUERY_STRING>' -d '<BODY>'
example :
    curl -XGET 'http://172.17.0.2:9200/_count?pretty' -d '
        {
            "query": {
                "match_all": {}
            }
        }
    '
    curl -XPUT 'http://172.17.0.2:9200/megacorp/employee/1?pretty' -d '
        {
            "first_name" : "John",
            "last_name" :  "Smith",
            "age" :        25,
            "about" :      "I love to go rock climbing",
            "interests": [ "sports", "music" ]
        }
    '
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/1?pretty'
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty'
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty&q=last_name:Smith'
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty' -d '
        {
            "query": {
                "match": {
                    "last_name": "Smith"
                    }
                }
            }
    '
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty' -d '
        {
            "query": {
                "filtered": {
                    "filter": {
                        "range": {
                            "age": { "gt": 20 }
                        }
                    },
                    "query": {
                        "match": {
                            "last_name": "Smith"
                        }
                    }
                }
            }
        }
    '
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty' -d '
        {
            "query" : {
                "match" : {
                    "about" : "rock climbing"
                }
            }
        }
    '
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty' -d '
        {
            "query" : {
                "match_phrase" : {
                    "about" : "rock climbing"
                }
            }
        }
    '
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty' -d '
        {
            "query" : {
                "match_phrase" : {
                    "about" : "rock climbing"
                }
            },
            "highlight": {
                "fields": {
                    "about": {}
                }
            }
        }
    '
    curl -XGET 'http://172.17.0.2:9200/megacorp/employee/_search?pretty' -d '
        {
            "aggs": {
                "all_interests": {
                    "terms": { "field": "interests" }
                }
            }
        }
    '