记录一次 Elasticsearch 聚合结果不准确的问题

TermsAggregationBuilder terms1 = AggregationBuilders.terms("brands_max_num").field("equipCode");
TermsAggregationBuilder terms2 = AggregationBuilders.terms("timeCount").field("receivedTimeStamp");

        SearchSourceBuilder querySourceBuilder = new SearchSourceBuilder().aggregation(terms1.subAggregation(terms2)).size(0);

GET ecc_bc_20211017/_search
{
  "query": {
    "match": {
      "gpsId": "31854137"
    }
  },
  "size": 0,
  "aggs": {
    "brands_max_num": {
      "terms": {
        "field": "equipCode"
      },
      "aggs": {
        "timeCount": {
          "terms": {
            "field": "receivedTimeStamp"
          }
        }
      }
    }
  }
}

GET ecc_bc_20211017/_search
{
  "query": {
    "match": {
      "gpsId": "31854137"
    }
  },
  "size": 0,
  "aggs": {
    "brands_max_num": {
      "terms": {
        "field": "equipCode"
      },
      "aggs": {
        "timeCount": {
          "terms": {
            "field": "receivedTimeStamp",
            "size": 100
          }
        }
      }
    }
  }
}

TermsAggregationBuilder terms2 = AggregationBuilders.terms("timeCount").field("receivedTimeStamp").size(100);