ElasticSearch - 二级嵌套聚合不正确的 doc_count
ElasticSearch 7.10.1 嵌套聚合。
谁能指出为什么我的第二个嵌套聚合上的 doc_count 不正确？ 第一个聚合的计数是准确的，但第二个聚合的计数不准确（两者都是关键字字段）。
{
"size": 0,
"_source": false,
"query": {
"match_all": {}
},
"aggs": {
"products": {
"nested": {
"path": "productsImpacted"
},
"aggs": {
"field1": {
"terms": {
"field": "productsImpacted.product.keyword",
"size": 1000
},
"aggs": {
"resellers": {
"nested": {
"path": "requestType"
},
"aggs": {
"field2": {
"terms": {
"field": "requestType.type.keyword",
"size": 1000
}
}
}
}
}
}
}
}
}
}
谢谢，
ElasticSearch 7.10.1 nested aggregations.
Can anyone point me to why the doc_count on my 2nd nested aggregation is not correct?
The count on the first aggregation is accurate but the 2nd isnt (both are keyword fields).
{
"size": 0,
"_source": false,
"query": {
"match_all": {}
},
"aggs": {
"products": {
"nested": {
"path": "productsImpacted"
},
"aggs": {
"field1": {
"terms": {
"field": "productsImpacted.product.keyword",
"size": 1000
},
"aggs": {
"resellers": {
"nested": {
"path": "requestType"
},
"aggs": {
"field2": {
"terms": {
"field": "requestType.type.keyword",
"size": 1000
}
}
}
}
}
}
}
}
}
}
Thanks,
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ES'agg 不准确。
你使用
size和shard_size来提高精度就意味着性能的下降，可以参考官方文档：https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-terms-aggregation.html#search-aggregations-bucket-terms-aggregation-shard-size
ES’agg is inaccurate.
you cna use
sizeandshard_sizeto improve accuracy means a decline in performance，You can refer to the official documents：https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-terms-aggregation.html#search-aggregations-bucket-terms-aggregation-shard-size