Elasticsearch笔记 [ Kibana ]

原本只是了解内容，然后莫名继续深入深入再深入…然后，还是记录一下吧…

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Console命令：
set max_map_count value (Linux):

sudo sysctl -w vm.max_map_count=262144

查看版本：

curl -X GET "localhost:9200/_cat/nodes?v&h=id,ip,port,v,m"

To check which indices are available, go to:

 curl -X GET "http://localhost:9200/_cat/indices"

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Kibana命令：

GET _cat/indices

查询所有data：

GET _search
{
  "query": {
    "match_all": {
    }
  }
}

match查询:

GET candidacies/_search
{
    "query": {
        "match": {
          "user.email": "qwer@123.com"
        }
    }
}

查看mapping：

GET candidacies/candidacy/_mapping/

更新mapping：

POST candidacies/candidacy/_mapping
{
  "candidacy": {
    "properties": {
      "user": {
        "properties": {
          "email": {
            "type": "text",
            "fields": {
              "raw": { "type": "text" },
              "keyword": { "type": "keyword" }
            },
            "analyzer": "index_ngram_analyzer",
            "search_analyzer": "search_ngram_analyzer"
          }
        }
      } 
    }
  }
}

reindex：

POST _reindex
{
  "source": {
    "index": "my_index"
  },
  "dest": {
    "index": "my_index_new",
    "op_type": "create"
  }
}

删除index：

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DELETE candidacies

设置my_index_new的别名为my_index：

PUT /my_index_new/_alias/my_index