ElasticSearch 6.x 学习笔记：6.索引

6.1 创建索引

（1）简单方式

PUT test
  
  

   
   
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{
  "acknowledged": true,
  "shards_acknowledged": true,
  "index": "test"
}
  
  

   
   
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（2）索引名不能包含大些字母

PUT Test
  
  

   
   
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（3）重复创建

PUT test
  
  

   
   
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（4）指定参数

PUT blog
{
  "settings": {
    "number_of_shards": 3,
    "number_of_replicas": 1
  } 
}
  
  

   
   
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{
  "acknowledged": true,
  "shards_acknowledged": true,
  "index": "blog"
}
  
  

   
   
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6.2 查看索引

（1）查看指定索引的配置信息

GET blog/_settings
  
  

   
   
1
  
  

{
  "blog": {
    "settings": {
      "index": { "creation_date": "1515458969949", "number_of_shards": "3", "number_of_replicas": "1", "uuid": "A7pKNO7bTgucu1uNgmXlQg", "version": { "created": "5060399" }, "provided_name": "blog" } }
  }
}
  
  

   
   
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（2）查看多个索引

GET test,blog/_settings
  
  

   
   
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{
  "test": {
    "settings": {
      "index": { "creation_date": "1515460501267", "number_of_shards": "5", "number_of_replicas": "1", "uuid": "FfVJ9w9bSxqyqvh7r1UL7w", "version": { "created": "5060399" }, "provided_name": "test" } }
  },
  "blog": {
    "settings": {
      "index": { "creation_date": "1515459619703", "number_of_shards": "3", "number_of_replicas": "1", "uuid": "6x9RQQ5KRoStK57T88VhmA", "version": { "created": "5060399" }, "provided_name": "blog" } }
  }
}
  
  

   
   
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6.3 删除索引

DELETE test
  
  

   
   
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{
  "acknowledged": true
}
  
  

   
   
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6.4 索引的打开与关闭

（1）关闭索引

POST blog/_close
  
  

   
   
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{
  "acknowledged": true
}
  
  

   
   
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（2）尝试插入数据

PUT blog/article/1
{
  "title":"test title"  
}
  
  

   
   
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index_closed_exception

（3）重新打开索引

POST blog/_open
  
  

   
   
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6.1 创建索引