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Posted to issues@lucene.apache.org by GitBox <gi...@apache.org> on 2020/02/03 17:18:54 UTC
[GitHub] [lucene-solr] magibney commented on issue #751: SOLR-13132: single
sweep iteration over base, foreground,
and background sets for "relatedness" calculation
magibney commented on issue #751: SOLR-13132: single sweep iteration over base, foreground, and background sets for "relatedness" calculation
URL: https://github.com/apache/lucene-solr/pull/751#issuecomment-581521625
As mentioned in a comment on the Jira issue for [SOLR-13132](https://issues.apache.org/jira/browse/SOLR-13132?focusedCommentId=16754164#comment-16754164), this PR incorporates a cache for array-backed uninverted/docValue-style facet term counts (which are otherwise recalculated, at considerable cost, for every request). In some sense this "facet cache" is the more significant contribution here, and would be useful well beyond the context of "relatedness". (See also [SOLR-13807](https://issues.apache.org/jira/browse/SOLR-13807)).
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