shards 不能修改

PUT lagou
{
  "settings": {
    "index":{
      "number_of_shards":5,
      "number_of_replicas":1
    }
  }
}

GET lagou/_settings

PUT lagou/_settings
{
  "number_of_replicas": 2
}
#获取索引信息

GET _all
GET lagou

#保存文档

PUT lagou/job/1
{
  "title":"python分布shi式爬虫开发",
  "salary_min":15000,
  "city":"北京",
  "company":{
  
    "name":"百度",
    "company_addr":"北京市软"
  },
  
  "publish_date":"2017-4-16",
  "comments":15
}

GET lagou/job/1

GET lagou/job/1?_source=title
GET lagou/job/1?_source=title,city

#修改文章/完全覆盖

PUT lagou/job/1
{
  "title":"python分布shi式爬虫开发",
  "salary_min":15000,
  "city":"北京",
  "company":{
  
    "name":"百度",
    "company_addr":"北京市软"
  },
  
  "publish_date":"2017-4-16",
  "comments":15
}

#修改某一字段
POST lagou/job/1_update
{
  "doc":{
    "comments":20
  }
}

#删除
DELETE lagou/job/1

DELETE lagou/job