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我對Elasticsearch相當新(使用2.2版本)。 爲了簡化我的問題,我有文檔有一個字段名爲終止,有時可能會採取值轉移。Elasticsearch:過濾器聚合的準確性
我目前做的這個要求按月彙總這有終止的文件數:
{
"size": 0,
"sort": [{
"@timestamp": {
"order": "desc",
"unmapped_type": "boolean"
}
}],
"query": { "match_all": {} },
"aggs": {
"report": {
"date_histogram": {
"field": "@timestamp",
"interval": "month",
"min_doc_count": 0
},
"aggs": {
"documents_with_termination_transfer": {
"filter": {
"term": {
"termination": "transfer"
}
}
}
}
}
}
}
這裏是迴應:
{
"_shards": {
"failed": 0,
"successful": 206,
"total": 206
},
"aggregations": {
"report": {
"buckets": [
{
"calls_with_termination_transfer": {
"doc_count": 209163
},
"doc_count": 278100,
"key": 1451606400000,
"key_as_string": "2016-01-01T00:00:00.000Z"
},
{
"calls_with_termination_transfer": {
"doc_count": 107244
},
"doc_count": 136597,
"key": 1454284800000,
"key_as_string": "2016-02-01T00:00:00.000Z"
}
]
}
},
"hits": {
"hits": [],
"max_score": 0.0,
"total": 414699
},
"timed_out": false,
"took": 90
}
爲什麼點擊次數(414699)大於文件總數(278100 + 136597 = 414697)?我已經閱讀過有關精度問題,但它似乎不適用於過濾器的情況... 如果我總結文檔總數轉讓終止,是否也有精度問題?
你說得對!有兩個完全不同的文件,看起來被kibana使用:**「hit」:[{「_id」:「4.4.1」,「_index」:「.kibana」,...},{「_id」:「 logstash- *「,」_index「:」.kibana「,...}] ** – Raphael