Is it true that sometimes elasticsearch aggregations can be inaccurate?


(Genady Mironenko) #1

Does it true that in moment of heavy load on cluster Elasticsearch can make inaccurate aggregations?


(Christian Dahlqvist) #2

It has to do with scale, not load. Some type of aggregations are approximates as calculating exact values fast at large scale is not possible. Examples are the cardinality aggregation, significant terms aggregations and also the terms aggregation (in cases of high cardinality).

Have a look at the following threads that discuss this:


(system) #3

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