msokolov commented on PR #13153:
URL: https://github.com/apache/lucene/pull/13153#issuecomment-2105035929

   > +1 -- did that show any measurable performance change?
   
   Well, sort of -- I did index months to get some dense postings field and 
added "month tasks" by tacking on `+month:Mar` and so on to existing tasks. A 
few tasks created that way showed some improvement, but most showed no change 
or substantially worse performance. I concluded that it's hard to get the gains 
without getting in the way of "normal" postings advancement?
   
   The only thing I've done that showed a clear improvement was a 
microbenchmark where I created an index composed entirely of these doc-only 
fields and queried it with random boolean queries involving terms in those 
fields.


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