Re: [I] Support for building materialized views using Lucene formats [lucene]

["msfroh (via GitHub)" <gi...@apache.org>]

msfroh commented on issue #13188:
URL: https://github.com/apache/lucene/issues/13188#issuecomment-2033117183

   I wonder if we could think of this more broadly as a caching problem.
   
   Basically, you could evaluate some "question" (aggregations, statistics, etc.) for all segments and save the index-level question and the per-`SegmentCommitInfo` answers to disk. When a new segment gets flushed (or produced by a merge), we could eagerly evaluate the question against the new segment. (We would probably also need to reevaluate for segments that have new deletes, and maybe updated doc values.)


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