Re: field:* queries can be painfully slow if there are many terms.

Thanks Mike. I'm not sure this _should_ be fixed mind you, but thought I'd ask. On Thu, Sep 22, 2016 at 10:16 AM, Michael McCandless wrote: > You could index the prefix terms (edge ngrams), assuming your queries > are prefix queries; this way there would typically be

Re: field:* queries can be painfully slow if there are many terms.

You could index the prefix terms (edge ngrams), assuming your queries are prefix queries; this way there would typically be far fewer terms to visit than all 200 M terms. Auto-prefix terms also tried to solves this more "automatically", so you don't have to mess with edge ngrams, but we reverted

field:* queries can be painfully slow if there are many terms.

In MultiTermConstantScoreWrapper there's this block around line 174 in 6x: do { docs = termsEnum.postings(docs, PostingsEnum.NONE); builder.add(docs); } while (termsEnum.next() != null); In the case of lots and lots of terms in a multiValued field this can take quite a bit of time. In my