Rest：Representational State Transfer
document文檔數(shù)據(jù)導(dǎo)入到es集群

put更新
主從(粗細(xì))散列分布，絕不能放在1個(gè)節(jié)點(diǎn)上

file
segment（段缕棵，多個(gè)document組成）
document（一條記錄孵班，一個(gè)對(duì)象實(shí)例）
field（對(duì)象的屬性）
term（項(xiàng)涉兽，分詞之后的詞條）

CURL命令

在命令行下訪問(wèn)url的一個(gè)工具（理解為瀏覽器）
可以簡(jiǎn)單實(shí)現(xiàn)常見的get/post請(qǐng)求
-X 指定http請(qǐng)求的方法：HEAD,GET,POST,PUT,DELETE
-d 指定要傳輸?shù)臄?shù)據(jù)
PUT和POST都可做創(chuàng)建和修改更新，就看id是否存在

# 建立索引庫(kù)
curl -XPUT http://192.168.118.102:9200/appke/
# 刪除索引庫(kù)
curl -XDELETE http://192.168.118.102:9200/test2/


# 創(chuàng)建document篙程，添加數(shù)據(jù)自動(dòng)創(chuàng)建id
curl -XPOST http://192.168.118.102:9200/appke/employee -d '
{
   "first_name" : "bin",
   "age" : 33,
   "about" : "I love to go rock climbing",
   "interests": [ "sports", "music"]
}'
curl -XPOST http://192.168.118.102:9200/appke/employee -d '
{
   "first_name" : "bin guo",
   "age" : 47,
   "about" : "I love to fitness",
   "interests": [ "fishing", "music"]
}'
curl -XPOST http://192.168.118.102:9200/appke/employee/2 -d '
{
 "first_name" : "bin",
 "age" : 45,
 "about" : "I love to go rock climbing",
 "interests": [ "sports", "music" ]
}'


# 添加屬性枷畏，動(dòng)態(tài)類的增值
curl -XPOST http://192.168.118.102:9200/appke/employee -d '
{
 "first_name" : "pablo2",
 "age" : 33,
 "about" : "I love to go rock climbing",
 "interests": [ "sports", "music" ],
 "sex": "man"
}'
# 指定id
curl -XPOST http://192.168.118.102:9200/appke/employee/222 -d '
{
 "first_name" : "pablo2",
 "age" : 35,
 "about" : "I love to go rock climbing",
 "interests": [ "sports", "music" ],
 "sex": "man"
}'


# 更新，下面都有問(wèn)題
# appke/employee/1 1是id虱饿，隨便的拥诡，相當(dāng)于增加
curl -XPUT http://192.168.118.102:9200/appke/employee/1 -d '
{
 "first_name" : "god bin",
 "last_name" : "pang",
 "age" : 42,
 "about" : "I love to go rock climbing",
 "interests": [ "sports", "music" ]
}'
# 錯(cuò)誤? 找不到句柄，參數(shù)沒給全
curl -XPUT http://192.168.118.102:9200/appke/employee -d '
{
 "first_name" : "god bin",
 "last_name" : "bin",
 "age" : 45,
 "about" : "I love to go rock climbing",
 "interests": [ "sports", "music" ]
}'
# 修改更新
curl -XPUT http://192.168.118.102:9200/appke/employee/1 -d '
{
 "first_name" : "god bin",
 "last_name" : "pang",
 "age" : 40,
 "about" : "I love to go rock climbing",
 "interests": [ "sports", "music" ]
}'

document獲取數(shù)據(jù)

#根據(jù)document的id來(lái)獲取數(shù)據(jù)：(?pretty有縮進(jìn))
curl -XGET http://192.168.118.102:9200/appke/employee/1?pretty

#根據(jù)field來(lái)查詢數(shù)據(jù)：
curl -XGET http://192.168.118.102:9200/appke/employee/_search?q=first_name="bin"

# 根據(jù)field來(lái)查詢數(shù)據(jù)：match氮发，查詢條件封裝渴肉！
curl -XGET http://192.168.118.102:9200/appke/employee/_search?pretty -d '
{
 "query":
  {"match":
   {"first_name":"bin"}
  }
}'

#對(duì)多個(gè)field發(fā)起查詢：multi_match，匹配多個(gè)字段
curl -XGET http://192.168.118.102:9200/appke/employee/_search?pretty -d '
{
 "query":
  {"multi_match":
   {
    "query":"bin",
    "fields":["last_name","first_name"],
    "operator":"and"
   }
  }
}'

多個(gè)term對(duì)多個(gè)field發(fā)起查詢：bool（boolean）

#  組合查詢爽冕，must, must_not, should 
#  must + must : 交集
#  must +must_not ：差集
#  should+should  : 并集

curl -XGET http://192.168.118.102:9200/appke/employee/_search?pretty -d '
{
 "query":
  {"bool" :
   {
    "must" : 
     {"match":
      {"first_name":"bin"}
     },
    "must" : 
     {"match":
      {"age":33}
     }
   }
  }
}'

curl -XGET http://192.168.118.102:9200/appke/employee/_search?pretty -d '
{
 "query":
  {"bool" :
   {
    "must" : 
     {"match":
      {"first_name":"bin"}
     },
    "must_not" : 
     {"match":
      {"age":33}
     }
   }
  }
}'


curl -XGET http://192.168.118.102:9200/appke/employee/_search?pretty -d '
{
 "query":
  {"bool" :
   {
    "must_not" : 
     {"match":
      {"first_name":"bin"}
     },
    "must_not" : 
     {"match":
      {"age":33}
     }
   }
  }
}'


##查詢first_name=bin的仇祭，或者年齡在20歲到33歲之間的
curl -XGET http://192.168.118.102:9200/appke/employee/_search -d '
{
 "query":
  {"bool" :
   {
   "must" :
    {"term" : 
     { "first_name" : "bin" }
    }
   ,
   "must_not" : 
    {"range":
     {"age" : { "from" : 20, "to" : 33 }
    }
   }
   }
  }
}'

修改配置

# 2個(gè)從，主默認(rèn)5個(gè) 5x(1+2)=15
curl -XPUT 'http://192.168.118.102:9200/test2/' -d'{"settings":{"number_of_replicas":2}}'
# 3個(gè)主扇售，3個(gè)從 前塔，3x(1+3)=12，總共只有3個(gè)節(jié)點(diǎn)承冰，最多只能有2個(gè)從华弓，即3x(1+2)=9
curl -XPUT 'http://192.168.118.102:9200/test3/' -d'{"settings":{"number_of_shards":3,"number_of_replicas":3}}'

curl -XPUT 'http://192.168.118.102:9200/test4/' -d'{"settings":{"number_of_shards":6,"number_of_replicas":4}}'


curl -XPOST http://192.168.9.11:9200/appke/person/_mapping -d'
{
    "person": {
        "properties": {
            "content": {
                "type": "string",
                "store": "no",
                "term_vector": "with_positions_offsets",
                "analyzer": "ik_max_word",
                "search_analyzer": "ik_max_word",
                "include_in_all": "true",
                "boost": 8
            }
        }
    }
}'

ES和關(guān)系型數(shù)據(jù)庫(kù)的數(shù)據(jù)對(duì)比，叫法變了

REST的操作分為以下幾種

1. GET：獲取對(duì)象的當(dāng)前狀態(tài)困乒；
2. PUT：改變對(duì)象的狀態(tài)寂屏；
3. POST：創(chuàng)建對(duì)象；
4. DELETE：刪除對(duì)象娜搂；
5. HEAD：獲取頭信息

ES內(nèi)置的REST接口