Elasticsearch: count returning wrong value

Question

ES 1.7.3

We have around 20M documents. Each document has a unique ID. When we do a count-request (/index/type/_count) we get around 30K less documents than we indexed.

I checked the existence of each document by making requests on the ID field. Result: there is none missing.

Is there any reasons why _count returns not the exact count?

PS: I read about estimates when doing aggregations. Is this perhaps related?

Community · Accepted Answer · 2017-05-23 11:53:20Z

7

Coutn API may result in inaccurate results. You can use search_type=count instead. It works in the same way as searching works but returns only count.

Use it like

GET /index/type/_search?search_type=count

Study more about search_type here.

You can also refer to this question

edited May 23, 2017 at 11:53

CommunityBot

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answered Feb 8, 2016 at 8:37

Richa

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