• ElasticSearch——常用命令


    集群相关

    --查询集群健康状态
    GET _cluster/health
    
    --查询所有节点
    GET _cat/nodes
    
    --查询索引及分片的分布
    GET _cat/shards

    --查询指定索引分片的分布
    GET _cat/shards/order_stpprdinf_2019-12?v
    --查询所有插件 GET _cat/plugins

    索引相关查询

    --查询所有索引及容量
    GET _cat/indices
    
    --查询索引映射结构
    GET my_index/_mapping
    
    --查询所有索引映射结构    
    GET _all
    
    --查询所有的相同前缀索引
    GET my-*/_search
    
    --查询所有索引模板   
    GET _template
    
    --查询具体索引模板
    GET _template/my_template

    索引相关操作

    1、创建索引模板

    # 创建模板
    PUT _template/test_hot_cold_template { "index_patterns": "test_*", "settings": { "number_of_shards" : 3, "index.number_of_replicas": 1 }, "mappings": { "order": { "dynamic": false, "properties": { "id": {"type": "long"}, "name": {"type": "keyword"} } } }, "aliases": { "test": {} } } # 根据模板创建索引并写入数据 POST test_hot_cold-2019-12-01/order { "id":1, "name":"cwx" }

    # 删除模板
    DELETE _template/order_stpprdinf_template

      

    2、直接创建索引

    PUT my_index
    {
      "mappings": {
        "doc": {
          "properties": {
            "name": {
              "type": "text"
            },
            "blob": {
              "type": "binary"
            }
          }
        }
      }
    }
    -- 增加字段
    put my_index/_mapping/doc { "properties": { "cwxtest": {"type": "keyword"} } }

    -- 数据冷备份
    PUT _snapshot/my_backup  # my_backup 备份的名称
    {
        "type": "order", 
        "settings": {
            "location": "/mount/backups/my_backup" 
        }
    }

    3、写入索引

    PUT my_index/doc/1
    {
      "name": "Some binary blob",
      "blob": "U29tZSBiaW5hcnkgYmxvYg==" 
    }

    4、删除索引

    DELETE my-index

    5、修改索引setting

    PUT /test_hot_cold-2019-12-01/_settings 
    { 
      "settings": { 
        "index.routing.allocation.require.hotwarm_type": "cold"
      } 
    }

      

    DSL query查询

    --1.查询所有
    GET _search
    {
      "query": {
        "match_all": {}
      }
    }
    
    --2.查询单个索引 的 固定属性
    --精确匹配
    GET _search
    {
      "query": {
        "term": { "name" : "you" }
      }
    }
    
    --模糊匹配
    GET _search
    {
      "query": {
        "match": { "name" : "you" }
      }
    }
    --范围查找 GET _search { "query": { "range": { "age":{ "gte" : 15 , "lte" : 25 } } } }

     GET indexName/_search
     {
       "query": {
         "wildcard":{"relateId":"*672499460503*"}
       }
     }

    
    --3.功能性查询
    --过滤
    GET my_index/_search
    {
      "query": {
        "bool": {
          "filter": {
            "term":{"age":1095}
          }
        }
      }
    }
    
    --或 or
    GET my - test / _search 
    {   
    "query": {     "bool": {       "should": [{         "term": {           "name": "you"         }         }, {         "match": {           "age": 20         }       }]     }   } } --与 AND GET my-test/_search { "query": { "bool": { "must" : [{ "match" : { "name" : "you" } },{ "range":{ "age":{ "from" : 10 , "to" : 20 } } }] } } } --必须 = GET my_index/_search { "query": { "bool": { "must" : { "range" : { "age" : { "from" : 10, "to" : 20 } } } } } } --必须不 not GET my_index/_search { "query": { "bool": { "must_not" : { "term" : { "name" : "you" } } } } } --复合查找 GET my_index/_search { "query": { "bool": { "should": [{ "match": { "age": 40 } }, { "match": { "age": 20 } }], "filter": { "match":{ "name":"you" } } } } } --4.索引迁移 --场景 从A索引 复制到B索引 POST _reindex { "source": { "index": "my_index" }, "dest": { "index": "new_my_index" } } --5.基于查询的删除 POST test-index/_delete_by_query { "query":{ "term": { "cameraId":"00000000002" } } } --查询 GET test-index/_search { "query":{ "term": { "cameraId":"00000000002" } } }

    按时间范围查询:

    GET order_stpprdinf_2019-12/_search
    {
      "size":10,
      "query":{
        "range":{
          "order_time":{
            "gte":"2019-12-11T00:00:00+08:00",
            "lte":"2019-12-11T23:59:59+08:00"
          } 
        }
      }
    }

    按条件删除:

    GET order_stpprdinf_2019-12/_delete_by_query?conflicts=proceed
    {
      "query":{
        "range":{
          "order_time":{
            "gte":"2019-12-11T00:00:00+08:00",
            "lte":"2019-12-11T23:59:59+08:00"
          } 
        }
      }
    }

    可在kibana的Dev Tools控制板上执行以上命令:

    参考链接:https://blog.csdn.net/ailice001/article/details/79541816

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  • 原文地址:https://www.cnblogs.com/caoweixiong/p/11792049.html
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