just like this . : Simple Function Score Query Shows Very Poor Performance I use the version es 6.8. I write a rescore plugin in java and the speed is so slow . I rescore need to fetch one field to calculate the score like bm25. I find it is slow because of the code like : String sentence=(Str…

Function_score is so slow . how can i slove it?

Christian_Dahlqvist (Christian Dahlqvist) July 26, 2020, 8:24am 4

Using data from source means the document need to be loaded, which will take longer.
Lower performance us therefore IMHO expected.

How long is the field?

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