Elasticsearch Dev Tools 常用命令

创建索引 

PUT /index-name/
{
  "mappings": {
    "novel": {
      "properties": {
        "author": {
          "type": "text",
          "analyzer": "smartcn"
        },
        "brief": {
          "type": "text",
          "analyzer": "smartcn"
        },
        "createTime": {
          "type": "date"
        },
        "latestChapterTitle": {
          "type": "text",
          "analyzer": "smartcn"
        },
        "title": {
          "type": "text",
          "analyzer": "smartcn"
        },
        "updateTime": {
          "type": "date"
        }
      }
    }
  }
}

创建索引时指定 mapping 和 settings 

PUT movie
{
  "mappings" : {
    "properties" : {
      "name" : {
        "type" : "keyword"
      }
    }
  },
  "settings" : {
    "index" : {
      "number_of_shards" : 1,
      "number_of_replicas" : 2
    }
  }
}

获取索引 mapping 

GET hyperion-novel

上面这种方式会有个警告：

Deprecation: [types removal] The parameter include_type_name should be explicitly specified in get indices requests to prepare for 7.0. In 7.0 include_type_name will default to ‘false’, which means responses will omit the type name in mapping definitions.

在后面加上 ?include_type_name=true 可以避免这个警告。

GET /hyperion-novel/?include_type_name=true

下面这种写法也是同样的功能：

GET /hyperion-novel/_mapping/novel?include_type_name=true

禁止自动创建索引

默认查询时会自动创建索引，可以通过如下命令禁用。

PUT _cluster/settings
{
    "persistent": {
        "action.auto_create_index": "false" 
    }
}

2021-08-17 追记

禁用查询时自动创建索引后，logstash 由于无法自动创建索引，导致向 elasticsearch 中写入数据时会失败。