es设置副本数

备注：
        "number_of_shards": 3,    切片数量
        "refresh_interval": "1s", 刷新间隔
        "number_of_replicas": 1   副本数量

创建索引
PUT /test_prod
{
  "mappings": {
    "properties": {
      "id": {
        "type": "integer"
      },
      "available": {
        "type": "boolean"
      },
      "middle_flag": {
        "type": "boolean"
      },
      "vector_search_available": {
        "type": "boolean"
      },
      "version": {
        "type": "text"
      },
      "filename": {
        "type": "text",
        "analyzer": "ik_max_word",
        "search_analyzer": "ik_smart"
      },
      "content": {
        "type": "text",
        "analyzer": "ik_max_word",
        "search_analyzer": "ik_smart"
      },
      "abstract": {
        "type": "text",
        "analyzer": "ik_max_word",
        "search_analyzer": "ik_smart"
      },
      "filename_kw": {
        "properties": {
          "key_words": {
            "type": "keyword"
          },
          "scores": {
            "type": "keyword"
          }
        }
      },
      "abstract_kw": {
        "properties": {
          "key_words": {
            "type": "keyword"
          },
          "scores": {
            "type": "keyword"
          }
        }
      },
      "content_kw": {
        "properties": {
          "key_words": {
            "type": "keyword"
          },
          "scores": {
            "type": "keyword"
          }
        }
      }
    }
  },
  "settings": {      
        "number_of_shards": 3,
        "refresh_interval": "1s",
    "number_of_replicas": 1
  }
}